{"id":11666,"date":"2021-07-14T12:40:51","date_gmt":"2021-07-14T10:40:51","guid":{"rendered":"http:\/\/volcanx.cluster031.hosting.ovh.net\/?page_id=11666"},"modified":"2021-07-15T11:48:59","modified_gmt":"2021-07-15T09:48:59","slug":"types-de-gaz","status":"publish","type":"page","link":"https:\/\/volcanofoundation.org\/fr\/renforcer-la-connaissance-des-risques\/monitoring\/gaz-et-eau\/types-de-gaz\/","title":{"rendered":"TYPES DE GAZ"},"content":{"rendered":"<div id=\"av_section_1\" class=\"avia-section av-av_section-a3505495476c97acb77226663f388d50 main_color avia-section-default avia-no-border-styling  avia-builder-el-0  el_before_av_section  avia-builder-el-first  avia-full-stretch av-parallax-section avia-bg-style-parallax av-minimum-height av-minimum-height-25 av-height-25  container_wrap fullsize\" data-section-bg-repeat=\"stretch\" data-av_minimum_height_pc=\"25\" data-av_min_height_opt=\"25\"><div class=\"av-parallax\" data-avia-parallax-ratio=\"0.3\"><div class=\"av-parallax-inner main_color avia-full-stretch\"><\/div><\/div><div class=\"container av-section-cont-open\"><main role=\"main\" itemprop=\"mainContentOfPage\" class=\"template-page content  av-content-full alpha units\"><div class=\"post-entry post-entry-type-page post-entry-11666\"><div class=\"entry-content-wrapper clearfix\">\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-25347b0a799d5b9f7058434b2a9c3182\">\n.flex_column.av-av_one_fifth-25347b0a799d5b9f7058434b2a9c3182{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-av_one_fifth-25347b0a799d5b9f7058434b2a9c3182 av_one_fifth  avia-builder-el-1  el_before_av_three_fifth  avia-builder-el-first  first flex_column_div av-zero-column-padding  \"><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_three_fifth-f7c1061df29de8cca6b42fcf455fe4a0\">\n.flex_column.av-av_three_fifth-f7c1061df29de8cca6b42fcf455fe4a0{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-av_three_fifth-f7c1061df29de8cca6b42fcf455fe4a0 av_three_fifth  avia-builder-el-2  el_after_av_one_fifth  el_before_av_one_fifth  flex_column_div av-zero-column-padding  \"><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_textblock-8d09e837ca2380e6bdc85d849f6641d9\">\n#top .av_textblock_section.av-av_textblock-8d09e837ca2380e6bdc85d849f6641d9 .avia_textblock{\ncolor:#ffffff;\n}\n<\/style>\n<section class=\"av_textblock_section av-av_textblock-8d09e837ca2380e6bdc85d849f6641d9 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock av_inherit_color\" itemprop=\"text\"><div class=\"h2-cinta-programas\">\n<h1 style=\"text-align: center; font-size: 2.5em;\">RENFORCER LA CONNAISSANCE DES RISQUES<\/h1>\n<\/div>\n<\/div><\/section><br>\n<section class=\"av_textblock_section av-av_textblock-820f97e5aca1e77a0a12cd8a6430c9f2 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><p class=\"p-cinta-programas\" style=\"text-align: center; background: #f5312a !important;\">POURQUOI LA FONDATION EST N&Eacute;E ?<span class=\"flecha-donativo\" style=\"vertical-align: inherit;\"> &gt;<\/span><\/p>\n<\/div><\/section><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_one_fifth-f7c1061df29de8cca6b42fcf455fe4a0\">\n.flex_column.av-av_one_fifth-f7c1061df29de8cca6b42fcf455fe4a0{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-av_one_fifth-f7c1061df29de8cca6b42fcf455fe4a0 av_one_fifth  avia-builder-el-5  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  \"><\/div>\n\n<\/div><\/div><\/main><!-- close content main element --><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-k3yaxsym-b831a12c8acddceb21a18cbb360fd41d\">\n.avia-section.av-k3yaxsym-b831a12c8acddceb21a18cbb360fd41d{\nbackground-color:#000000;\nbackground-image:unset;\n}\n.avia-section.av-k3yaxsym-b831a12c8acddceb21a18cbb360fd41d .av-section-color-overlay{\nopacity:0.9;\nbackground-color:#000000;\n}\n<\/style>\n<div id=\"av_section_2\" class=\"avia-section av-k3yaxsym-b831a12c8acddceb21a18cbb360fd41d main_color avia-section-default avia-no-border-styling  avia-builder-el-6  el_after_av_section  el_before_av_textblock  avia-bg-style-fixed av-section-color-overlay-active container_wrap fullsize\"><div class=\"av-section-color-overlay-wrap\"><div class=\"av-section-color-overlay\"><\/div><div class=\"container av-section-cont-open\"><div class=\"template-page content  av-content-full alpha units\"><div class=\"post-entry post-entry-type-page post-entry-11666\"><div class=\"entry-content-wrapper clearfix\">\n<div class=\"flex_column_table av-a5p0bb-0286912bb6bfb93801b9fa33860921b2 sc-av_one_full av-equal-height-column-flextable\">\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-a5p0bb-0286912bb6bfb93801b9fa33860921b2\">\n.flex_column.av-a5p0bb-0286912bb6bfb93801b9fa33860921b2{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-a5p0bb-0286912bb6bfb93801b9fa33860921b2 av_one_full  avia-builder-el-7  avia-builder-el-no-sibling  first flex_column_table_cell av-equal-height-column av-align-middle av-zero-column-padding  \"><style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-joihkone-69e81b3ac324ed7c1268b0d71e700013\">\n#top .av_textblock_section.av-joihkone-69e81b3ac324ed7c1268b0d71e700013 .avia_textblock{\nfont-size:18px;\ncolor:#ffffff;\n}\n\n@media only screen and (min-width: 768px) and (max-width: 989px){ \n#top .av_textblock_section.av-joihkone-69e81b3ac324ed7c1268b0d71e700013 .avia_textblock{\nfont-size:16px;\n}\n}\n\n@media only screen and (min-width: 480px) and (max-width: 767px){ \n#top .av_textblock_section.av-joihkone-69e81b3ac324ed7c1268b0d71e700013 .avia_textblock{\nfont-size:16px;\n}\n}\n\n@media only screen and (max-width: 479px){ \n#top .av_textblock_section.av-joihkone-69e81b3ac324ed7c1268b0d71e700013 .avia_textblock{\nfont-size:16px;\n}\n}\n<\/style>\n<section class=\"av_textblock_section av-joihkone-69e81b3ac324ed7c1268b0d71e700013 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock av_inherit_color\" itemprop=\"text\"><blockquote>\n<p><a href=\"http:\/\/www.undrr.org\"><strong>LES DISASTERS NE SONT PAS NATURELS<\/strong><\/a>, ils sont construits socialement, par manque de pr&eacute;paration, de pr&eacute;vention, de travail d&rsquo;att&eacute;nuation, d&rsquo;&eacute;ducation et de suivi. <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;CE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Abr&eacute;viation de &amp;quot;l&amp;#039;&egrave;re commune&amp;quot; ou &amp;quot;l&amp;#039;&egrave;re actuelle&amp;quot;. CE se r&eacute;f&egrave;re &agrave; l&amp;#039;ann&eacute;e &eacute;coul&eacute;e depuis le d&eacute;but de l&amp;#039;&egrave;re actuelle dans le calendrier julien ou gr&eacute;gorien, par exemple l&amp;#039;ann&eacute;e civile. L&amp;#039;&egrave;re pr&eacute;c&eacute;dente est appel&eacute;e &amp;quot;Avant l&amp;#039;&egrave;re actuelle&amp;quot; ou BCE.&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/ce-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>Ce<\/a> sont des risques ou des dangers naturels qui ont un impact sur les soci&eacute;t&eacute;s vuln&eacute;rables. Les connaissances aident &agrave; <strong>r&eacute;duire la vuln&eacute;rabilit&eacute; sociale<\/strong> et <strong>structurale<\/strong> afin d&rsquo;avoir des soci&eacute;t&eacute;s plus <strong>r&eacute;silientes<\/strong>!<\/p>\n<\/blockquote>\n<\/div><\/section><\/div><\/div><!--close column table wrapper. Autoclose: 1 -->\n<\/div><\/div><\/div><!-- close content main div --><\/div><\/div><\/div><div id=\"after_section_2\" class=\"main_color av_default_container_wrap container_wrap fullsize\"><div class=\"container av-section-cont-open\"><div class=\"template-page content  av-content-full alpha units\"><div class=\"post-entry post-entry-type-page post-entry-11666\"><div class=\"entry-content-wrapper clearfix\">\n<section class=\"av_textblock_section av-kqt9jd5e-cd33964ef4e3b772df7fef522b816d29 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><h2>Une <a title=\"URGENCE VOLCANIQUE\" href=\"http:\/\/volcanx.cluster031.hosting.ovh.net\/volcano-emergency\/\">surveillance<\/a> compl&egrave;te permet de d&eacute;tecter rapidement le r&eacute;veil d&rsquo;un volcan<\/h2>\n<\/div><\/section>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqt9ln1w-f6affe7cdeee6be02fc225bbc4bc5689\">\n#top .hr.av-kqt9ln1w-f6affe7cdeee6be02fc225bbc4bc5689{\nmargin-top:15px;\nmargin-bottom:15px;\n}\n.hr.av-kqt9ln1w-f6affe7cdeee6be02fc225bbc4bc5689 .hr-inner{\nwidth:100%;\nborder-color:#d8d8d8;\n}\n<\/style>\n<div class=\"hr av-kqt9ln1w-f6affe7cdeee6be02fc225bbc4bc5689 hr-custom  avia-builder-el-10  el_after_av_textblock  el_before_av_three_fifth  hr-center hr-icon-no\"><span class=\"hr-inner inner-border-av-border-thin\"><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1wlhzr6-8cc129343b9618e21784b665a1361b31\">\n.flex_column.av-1wlhzr6-8cc129343b9618e21784b665a1361b31{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-1wlhzr6-8cc129343b9618e21784b665a1361b31 av_three_fifth  avia-builder-el-11  el_after_av_hr  el_before_av_two_fifth  first flex_column_div av-zero-column-padding  \"><p><section class=\"av_textblock_section av-kqt9tgn4-955ae44a3b12f5f76d41e08b4c147261 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><p><strong>La surveillance des volcans <a href=\"http:\/\/www.usgs.gov\">surveillance<\/a><\/strong> n&eacute;cessite une vari&eacute;t&eacute; de techniques pour entendre et voir l&rsquo;activit&eacute; &agrave; l&rsquo;int&eacute;rieur d&rsquo;un volcan. Elle consiste &agrave; surveiller les volcans pour d&eacute;tecter les signes de changement qui signalent une <strong><a title=\"Charles Balagizi : Environmental and health impacts of Nyiragongo and Nyamulagira Volcanoes, East Africa\" href=\"http:\/\/volcanx.cluster031.hosting.ovh.net\/es\/charles-balagizi-environmental-and-health-impacts-of-nyiragongo-and-nyamulagira-volcanoes-east-africa\/\">r&eacute;veil volcanique<\/a>.<\/strong>Pour bien comprendre le comportement d&rsquo;un volcan, la surveillance doit inclure plusieurs types d&rsquo;observations (tremblements de terre, mouvements du sol, gaz volcaniques, chimie des roches, chimie de l&rsquo;eau, analyse satellitaire &agrave; distance) en continu ou presque en <strong>temps r&eacute;el<\/strong>.<\/p>\n<\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqta1i5b-107d1a9c40127944f7fe3b907c4f1f41\">\n#top .hr.hr-invisible.av-kqta1i5b-107d1a9c40127944f7fe3b907c4f1f41{\nheight:30px;\n}\n<\/style>\n<\/p><div class=\"hr av-kqta1i5b-107d1a9c40127944f7fe3b907c4f1f41 hr-invisible  avia-builder-el-13  el_after_av_textblock  avia-builder-el-last \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1iz7j36-2c9786a9f3f90bd1396461500bfb925f\">\n.flex_column.av-1iz7j36-2c9786a9f3f90bd1396461500bfb925f{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-1iz7j36-2c9786a9f3f90bd1396461500bfb925f av_two_fifth  avia-builder-el-14  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding  \"><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtcpnnn-6f70d26af542560b43891ce971eb860e\">\n.avia-image-container.av-kqtcpnnn-6f70d26af542560b43891ce971eb860e img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kqtcpnnn-6f70d26af542560b43891ce971eb860e .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<\/p><div class=\"avia-image-container av-kqtcpnnn-6f70d26af542560b43891ce971eb860e av-styling- avia-align-center  avia-builder-el-15  el_before_av_textblock  avia-builder-el-first \" itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-11669 avia-img-lazy-loading-not-11669 avia_image \" src=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/fumaroles-steaming-sherman-crater-mount-baker.jpg\" alt=\"\" title=\"fumaroles-steaming-sherman-crater-mount-baker\" height=\"787\" width=\"1050\" itemprop=\"thumbnailUrl\" srcset=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/fumaroles-steaming-sherman-crater-mount-baker.jpg 1050w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/fumaroles-steaming-sherman-crater-mount-baker-300x225.jpg 300w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/fumaroles-steaming-sherman-crater-mount-baker-1030x772.jpg 1030w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/fumaroles-steaming-sherman-crater-mount-baker-768x576.jpg 768w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/fumaroles-steaming-sherman-crater-mount-baker-705x528.jpg 705w\" sizes=\"(max-width: 1050px) 100vw, 1050px\"\/><\/div><\/div><\/div><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtcpuh7-d8db4528b4900c045b62972c54904769\">\n#top .av_textblock_section.av-kqtcpuh7-d8db4528b4900c045b62972c54904769 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section class=\"av_textblock_section av-kqtcpuh7-d8db4528b4900c045b62972c54904769 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><p><em>Fumaroles d&eacute;gageant de la vapeur dans le crat&egrave;re Sherman, Mont Baker, Washington.<\/em><\/p>\n<\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-14hay76-b9bade6c53b94b7d00ae79f4a86820fd\">\n#top .hr.hr-invisible.av-14hay76-b9bade6c53b94b7d00ae79f4a86820fd{\nheight:30px;\n}\n<\/style>\n<div class=\"hr av-14hay76-b9bade6c53b94b7d00ae79f4a86820fd hr-invisible  avia-builder-el-17  el_after_av_textblock  avia-builder-el-last \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-18lbb6q-87550747df59579e54d808ac2931e107\">\n.flex_column.av-18lbb6q-87550747df59579e54d808ac2931e107{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-18lbb6q-87550747df59579e54d808ac2931e107 av_three_fifth  avia-builder-el-18  el_after_av_two_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding  \"><section class=\"av_textblock_section av-kqt9veiz-cf3eb5be28f077977a289542a28beb7c \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><h3>De nombreux instruments sont utilis&eacute;s pour obtenir une image plus compl&egrave;te de <a href=\"http:\/\/www.volcanodiscovery.com\"><strong>l&rsquo;activit&eacute; volcanique<\/strong><\/a>.<\/h3>\n<p>Des &eacute;quipes travaillent sur les stations sismiques. Pendant les pauses &eacute;ruptives, les &eacute;quipes travaillent pour faire fonctionner les stations de surveillance.<\/p>\n<p>Les scientifiques recueillent les donn&eacute;es des r&eacute;seaux d&rsquo;instruments, puis les analysent pour rechercher des signaux inhabituels. En comparant l&rsquo;analyse des donn&eacute;es avec des r&eacute;sultats similaires obtenus lors d&rsquo;&eacute;v&eacute;nements volcaniques pass&eacute;s, les volcanologues sont mieux &agrave; m&ecirc;me de pr&eacute;voir les changements dans l&rsquo;activit&eacute; volcanique et de d&eacute;terminer si et quand un volcan pourrait entrer en &eacute;ruption &agrave; l&rsquo;avenir.<\/p>\n<p><strong>C&rsquo;est <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;CE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Abr&eacute;viation de &amp;quot;l&amp;#039;&egrave;re commune&amp;quot; ou &amp;quot;l&amp;#039;&egrave;re actuelle&amp;quot;. CE se r&eacute;f&egrave;re &agrave; l&amp;#039;ann&eacute;e &eacute;coul&eacute;e depuis le d&eacute;but de l&amp;#039;&egrave;re actuelle dans le calendrier julien ou gr&eacute;gorien, par exemple l&amp;#039;ann&eacute;e civile. L&amp;#039;&egrave;re pr&eacute;c&eacute;dente est appel&eacute;e &amp;quot;Avant l&amp;#039;&egrave;re actuelle&amp;quot; ou BCE.&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/ce-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>ce<\/a> qu&rsquo;on appelle <a href=\"http:\/\/www.undrr.org\">la gestion des risques de catastrophes<\/a>. <\/strong><\/p>\n<\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2ku2vya-9e0955ca4cd05529245b4d0521926470\">\n#top .hr.hr-invisible.av-2ku2vya-9e0955ca4cd05529245b4d0521926470{\nheight:30px;\n}\n<\/style>\n<div class=\"hr av-2ku2vya-9e0955ca4cd05529245b4d0521926470 hr-invisible  avia-builder-el-20  el_after_av_textblock  avia-builder-el-last \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-jj5682-678197d27f776c3f98b140a2da919f02\">\n.flex_column.av-jj5682-678197d27f776c3f98b140a2da919f02{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-jj5682-678197d27f776c3f98b140a2da919f02 av_two_fifth  avia-builder-el-21  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding  \"><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtct05s-8d7607167873455a4e617f918b56a553\">\n.avia-image-container.av-kqtct05s-8d7607167873455a4e617f918b56a553 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kqtct05s-8d7607167873455a4e617f918b56a553 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<\/p><div class=\"avia-image-container av-kqtct05s-8d7607167873455a4e617f918b56a553 av-styling- avia-align-center  avia-builder-el-22  el_before_av_textblock  avia-builder-el-first \" itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-11672 avia-img-lazy-loading-not-11672 avia_image \" src=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-co2-infrared-spectrometer-mount-st-helens.jpg\" alt=\"\" title=\"gas-co2-infrared-spectrometer-mount-st-helens\" height=\"855\" width=\"1140\" itemprop=\"thumbnailUrl\" srcset=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-co2-infrared-spectrometer-mount-st-helens.jpg 1140w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-co2-infrared-spectrometer-mount-st-helens-300x225.jpg 300w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-co2-infrared-spectrometer-mount-st-helens-1030x773.jpg 1030w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-co2-infrared-spectrometer-mount-st-helens-768x576.jpg 768w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-co2-infrared-spectrometer-mount-st-helens-705x529.jpg 705w\" sizes=\"(max-width: 1140px) 100vw, 1140px\"\/><\/div><\/div><\/div><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtcts5h-57c1b66f9f33e5409181efa0a1e49220\">\n#top .av_textblock_section.av-kqtcts5h-57c1b66f9f33e5409181efa0a1e49220 .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section class=\"av_textblock_section av-kqtcts5h-57c1b66f9f33e5409181efa0a1e49220 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><p><em>&Eacute;chantillonnage de gaz avec un spectrom&egrave;tre infrarouge CO2 au <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;D&Ocirc;ME&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Masse de lave visqueuse, souvent en forme de bloc, extrud&eacute;e d&amp;#039;un &eacute;vent.&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/dome-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>d&ocirc;me<\/a> de <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;LAVE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Terme g&eacute;n&eacute;ral d&eacute;signant le magma (roche en fusion) qui a fait &eacute;ruption &agrave; la surface de la Terre et qui conserve son int&eacute;grit&eacute; sous forme de masse fluide ou visqueuse, plut&ocirc;t que d&amp;#039;exploser en fragments.&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/lave-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>lave<\/a> du lobe septembre du mont Saint Helens, Washington. <\/em><\/p>\n<\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-mpxjnm-05fe96d43e6bb4872a43f0a4da0324e7\">\n#top .hr.hr-invisible.av-mpxjnm-05fe96d43e6bb4872a43f0a4da0324e7{\nheight:30px;\n}\n<\/style>\n<div class=\"hr av-mpxjnm-05fe96d43e6bb4872a43f0a4da0324e7 hr-invisible  avia-builder-el-24  el_after_av_textblock  avia-builder-el-last \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-2ad37pe-640e9e9ee8f2be06623a36e6fe5b0e5c\">\n.flex_column.av-2ad37pe-640e9e9ee8f2be06623a36e6fe5b0e5c{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-2ad37pe-640e9e9ee8f2be06623a36e6fe5b0e5c av_three_fifth  avia-builder-el-25  el_after_av_two_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding  \"><section class=\"av_textblock_section av-kqt9z1b9-389b3e69770b082a11c97d316db01c39 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><h3>Conna&icirc;tre l&rsquo;&eacute;tat d&rsquo;un volcan &agrave; l&rsquo;aide d&rsquo;instruments de surveillance permet de r&eacute;duire les pertes socio-&eacute;conomiques.<\/h3>\n<p>Les progr&egrave;s rapides de la technologie aident les scientifiques &agrave; d&eacute;velopper des <strong>&eacute;quipements de surveillance<\/strong> efficaces et pr&eacute;cis. Ces nouveaux syst&egrave;mes sont capables de collecter et de transmettre des donn&eacute;es pr&eacute;cises en temps r&eacute;el du volcan aux bureaux de l&rsquo;observatoire, am&eacute;liorant ainsi la pr&eacute;vision des &eacute;ruptions. Il est important que les instruments soient install&eacute;s pendant les p&eacute;riodes calmes o&ugrave; les volcans ne sont pas actifs afin qu&rsquo;ils soient pr&ecirc;ts &agrave; d&eacute;tecter la moindre agitation volcanique. <a title=\"SURVEY BIOMONITORING AT VIRUNGA VOLCANIC PROVINCE\" href=\"http:\/\/volcanx.cluster031.hosting.ovh.net\/fr\/enquete-de-biosurveillance-dans-la-province-volcanique-des-virunga\/\">La d&eacute;tection pr&eacute;coce<\/a> donne aux gens un maximum de temps pour se pr&eacute;parer &agrave; une &eacute;ruption.<\/p>\n<p>Nous parlons de <strong>strat&eacute;gies de gestion des risques de catastrophe<\/strong> parce que le risque naturel n&rsquo;existe pas. Les risques naturels existent et deviennent des catastrophes &agrave; cause de la mauvaise gestion humaine. Il n&rsquo;y a <strong>pas de catastrophes naturelles<\/strong>.<\/p>\n<\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-213fwaq-7ffc4a4a8a1d4a8168130f924a26c8da\">\n#top .hr.hr-invisible.av-213fwaq-7ffc4a4a8a1d4a8168130f924a26c8da{\nheight:30px;\n}\n<\/style>\n<div class=\"hr av-213fwaq-7ffc4a4a8a1d4a8168130f924a26c8da hr-invisible  avia-builder-el-27  el_after_av_textblock  avia-builder-el-last \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1sxg1s2-38ccfa025c1c54b5668f2ba1bc613bb9\">\n.flex_column.av-1sxg1s2-38ccfa025c1c54b5668f2ba1bc613bb9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-1sxg1s2-38ccfa025c1c54b5668f2ba1bc613bb9 av_two_fifth  avia-builder-el-28  el_after_av_three_fifth  el_before_av_three_fifth  flex_column_div av-zero-column-padding  \"><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtd3ng6-85ead6bc9d9310b3ea3fe2ab695034b2\">\n.avia-image-container.av-kqtd3ng6-85ead6bc9d9310b3ea3fe2ab695034b2 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kqtd3ng6-85ead6bc9d9310b3ea3fe2ab695034b2 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<\/p><div class=\"avia-image-container av-kqtd3ng6-85ead6bc9d9310b3ea3fe2ab695034b2 av-styling- avia-align-center  avia-builder-el-29  el_before_av_textblock  avia-builder-el-first \" itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-11676 avia-img-lazy-loading-not-11676 avia_image \" src=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/camera-captures-so2-released-kilauea.jpg\" alt=\"\" title=\"camera-captures-so2-released-kilauea\" height=\"1120\" width=\"900\" itemprop=\"thumbnailUrl\" srcset=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/camera-captures-so2-released-kilauea.jpg 900w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/camera-captures-so2-released-kilauea-241x300.jpg 241w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/camera-captures-so2-released-kilauea-828x1030.jpg 828w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/camera-captures-so2-released-kilauea-768x956.jpg 768w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/camera-captures-so2-released-kilauea-567x705.jpg 567w\" sizes=\"(max-width: 900px) 100vw, 900px\"\/><\/div><\/div><\/div><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtd4eq5-8230bd2338f4e8701330dd1be29564ec\">\n#top .av_textblock_section.av-kqtd4eq5-8230bd2338f4e8701330dd1be29564ec .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section class=\"av_textblock_section av-kqtd4eq5-8230bd2338f4e8701330dd1be29564ec \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-ptmgqq-9afde2fd95e777e2efc6ca42e532eeea\">\n#top .hr.hr-invisible.av-ptmgqq-9afde2fd95e777e2efc6ca42e532eeea{\nheight:30px;\n}\n<\/style>\n<div class=\"hr av-ptmgqq-9afde2fd95e777e2efc6ca42e532eeea hr-invisible  avia-builder-el-31  el_after_av_textblock  avia-builder-el-last \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1a2s1b6-1d6858b290f481ee11731e0e38a8cf35\">\n.flex_column.av-1a2s1b6-1d6858b290f481ee11731e0e38a8cf35{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-1a2s1b6-1d6858b290f481ee11731e0e38a8cf35 av_three_fifth  avia-builder-el-32  el_after_av_two_fifth  el_before_av_two_fifth  first flex_column_div av-zero-column-padding  \"><section class=\"av_textblock_section av-kqt9zvyp-c31a90270b83034fe589f94d2ae85016 \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><h3>Les donn&eacute;es de surveillance peuvent &ecirc;tre utilis&eacute;es pour pr&eacute;dire le d&eacute;roulement d&rsquo;une &eacute;ruption une fois que les perturbations ont &eacute;t&eacute; d&eacute;tect&eacute;es et pour les mod&eacute;liser sur des cartes.<\/h3>\n<p>Lorsqu&rsquo;un volcan commence &agrave; montrer des signes d&rsquo;activit&eacute; nouveaux ou inhabituels, les donn&eacute;es de surveillance permettent de r&eacute;pondre aux questions essentielles n&eacute;cessaires pour &eacute;valuer puis communiquer des informations opportunes sur les risques volcaniques. Les scientifiques peuvent examiner <a title=\"NOTE TECHNIQUE VOLCANO NYIRAGONGO\" href=\"http:\/\/volcanx.cluster031.hosting.ovh.net\/es\/technical-note-nyiragongo-volcano\/\">toutes les donn&eacute;es de surveillance<\/a>, y compris les gaz, la <a class=\"glossaryLink\" aria-describedby=\"tt\" data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;D&Eacute;FORMATION&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Changements &agrave; la surface d&amp;#039;un volcan qui se produisent en raison du mouvement du magma sous la surface. La plupart des d&eacute;formations volcaniques ne peuvent &ecirc;tre d&eacute;tect&eacute;es et mesur&eacute;es qu&amp;#039;&agrave; l&amp;#039;aide de techniques d&amp;#039;arpentage pr&eacute;cises telles qu&amp;#039;un syst&egrave;me de positionnement mondial (GPS), un tiltm&egrave;tre, un radar d&amp;#039;ouverture synth&eacute;tique interf&eacute;rom&eacute;trique (InSAR) ou un distancem&egrave;tre &eacute;lectronique (EDM).&lt;\/div&gt;\" href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/deformation-fr\/\" data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]' tabindex=\"0\" role=\"link\">d&eacute;formation<\/a> du sol et les images satellites, pour d&eacute;terminer si le <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;MAGMA&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Roche fondue sous la surface de la Terre.&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/magma-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>magma<\/a> ou le fluide se d&eacute;pla&ccedil;ait vers la surface. Sur la base de l&rsquo;histoire du volcan et de l&rsquo;analyse des donn&eacute;es de surveillance, les scientifiques peuvent d&eacute;terminer les types de <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;MAGMA&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Roche fondue sous la surface de la Terre.&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/magma-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>magma<\/a> susceptibles de se d&eacute;placer vers la surface. <a class=\"glossaryLink\"  aria-describedby=\"tt\"  data-cmtooltip=\"&lt;div class=glossaryItemTitle&gt;CE&lt;\/div&gt;&lt;div class=glossaryItemBody&gt;Abr&eacute;viation de &amp;quot;l&amp;#039;&egrave;re commune&amp;quot; ou &amp;quot;l&amp;#039;&egrave;re actuelle&amp;quot;. CE se r&eacute;f&egrave;re &agrave; l&amp;#039;ann&eacute;e &eacute;coul&eacute;e depuis le d&eacute;but de l&amp;#039;&egrave;re actuelle dans le calendrier julien ou gr&eacute;gorien, par exemple l&amp;#039;ann&eacute;e civile. L&amp;#039;&egrave;re pr&eacute;c&eacute;dente est appel&eacute;e &amp;quot;Avant l&amp;#039;&egrave;re actuelle&amp;quot; ou BCE.&lt;\/div&gt;\"  href=\"https:\/\/volcanofoundation.org\/fr\/glossary\/ce-fr\/\"  data-gt-translate-attributes='[{\"attribute\":\"data-cmtooltip\", \"format\":\"html\"}]'  tabindex='0' role='link'>Ce<\/a> type de connaissances aide les scientifiques &agrave; d&eacute;terminer les types d&rsquo;activit&eacute; volcanique possibles et les <strong>risques associ&eacute;s<\/strong> pour les populations. La connaissance des risques aide les responsables &agrave; d&eacute;terminer quelles alertes en temps r&eacute;el sont n&eacute;cessaires pour &eacute;viter les pertes de vies et de biens.<\/p>\n<p><strong>Les risques naturels existent et deviennent <a href=\"http:\/\/www.undrr.org\">d&eacute;sastres<\/a> &agrave; cause de la mauvaise gestion humaine.<\/strong><\/p>\n<\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-1n7i7mq-cb4907c1f559dc79cc5481f524964eac\">\n#top .hr.hr-invisible.av-1n7i7mq-cb4907c1f559dc79cc5481f524964eac{\nheight:30px;\n}\n<\/style>\n<div class=\"hr av-1n7i7mq-cb4907c1f559dc79cc5481f524964eac hr-invisible  avia-builder-el-34  el_after_av_textblock  avia-builder-el-last \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-v9i2rm-f996b013f895d2a32bc6e5acc9c165c9\">\n.flex_column.av-v9i2rm-f996b013f895d2a32bc6e5acc9c165c9{\nborder-radius:0px 0px 0px 0px;\npadding:0px 0px 0px 0px;\n}\n<\/style>\n<div class=\"flex_column av-v9i2rm-f996b013f895d2a32bc6e5acc9c165c9 av_two_fifth  avia-builder-el-35  el_after_av_three_fifth  avia-builder-el-last  flex_column_div av-zero-column-padding  \"><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtd81f4-3b3f42e37316a6cafa4ca67d514463e3\">\n.avia-image-container.av-kqtd81f4-3b3f42e37316a6cafa4ca67d514463e3 img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kqtd81f4-3b3f42e37316a6cafa4ca67d514463e3 .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<\/p><div class=\"avia-image-container av-kqtd81f4-3b3f42e37316a6cafa4ca67d514463e3 av-styling- avia-align-center  avia-builder-el-36  el_before_av_textblock  avia-builder-el-first \" itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-11682 avia-img-lazy-loading-not-11682 avia_image \" src=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-fask-west-astringent-creek-yellowstone.jpg\" alt=\"\" title=\"gas-fask-west-astringent-creek-yellowstone\" height=\"855\" width=\"1140\" itemprop=\"thumbnailUrl\" srcset=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-fask-west-astringent-creek-yellowstone.jpg 1140w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-fask-west-astringent-creek-yellowstone-300x225.jpg 300w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-fask-west-astringent-creek-yellowstone-1030x773.jpg 1030w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-fask-west-astringent-creek-yellowstone-768x576.jpg 768w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/gas-fask-west-astringent-creek-yellowstone-705x529.jpg 705w\" sizes=\"(max-width: 1140px) 100vw, 1140px\"\/><\/div><\/div><\/div><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtd8gc9-4833e6d9229fd93e89801d4388be0bdf\">\n#top .av_textblock_section.av-kqtd8gc9-4833e6d9229fd93e89801d4388be0bdf .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section class=\"av_textblock_section av-kqtd8gc9-4833e6d9229fd93e89801d4388be0bdf \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><p><em>&Eacute;chantillonnage par flacon &agrave; gaz &agrave; West Astringent Creek, Yellowstone. Tube ouvert avec chambre &agrave; gaz attach&eacute;e ins&eacute;r&eacute; dans le sol, le gaz se d&eacute;place &agrave; travers le tube dans la fiole &agrave; vide tenue par le scientifique.<\/em><\/p>\n<\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-tmfvk2-bd584779ddeb6e50c8899a2b24ff69eb\">\n#top .hr.hr-invisible.av-tmfvk2-bd584779ddeb6e50c8899a2b24ff69eb{\nheight:30px;\n}\n<\/style>\n<div class=\"hr av-tmfvk2-bd584779ddeb6e50c8899a2b24ff69eb hr-invisible  avia-builder-el-38  el_after_av_textblock  el_before_av_image \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtm2p89-04acd653249aa6e3b889cbe26124511c\">\n.avia-image-container.av-kqtm2p89-04acd653249aa6e3b889cbe26124511c img.avia_image{\nbox-shadow:none;\n}\n.avia-image-container.av-kqtm2p89-04acd653249aa6e3b889cbe26124511c .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div class=\"avia-image-container av-kqtm2p89-04acd653249aa6e3b889cbe26124511c av-styling- avia-align-center  avia-builder-el-39  el_after_av_hr  el_before_av_textblock \" itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\"><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" fetchpriority=\"high\" class=\"wp-image-11685 avia-img-lazy-loading-not-11685 avia_image \" src=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/USGS-employees-water-conductivity-temprature-depth.jpg\" alt=\"\" title=\"USGS-employees-water-conductivity-temprature-depth\" height=\"1067\" width=\"800\" itemprop=\"thumbnailUrl\" srcset=\"https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/USGS-employees-water-conductivity-temprature-depth.jpg 800w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/USGS-employees-water-conductivity-temprature-depth-225x300.jpg 225w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/USGS-employees-water-conductivity-temprature-depth-772x1030.jpg 772w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/USGS-employees-water-conductivity-temprature-depth-768x1024.jpg 768w, https:\/\/volcanofoundation.org\/wp-content\/uploads\/2021\/07\/USGS-employees-water-conductivity-temprature-depth-529x705.jpg 529w\" sizes=\"(max-width: 800px) 100vw, 800px\"\/><\/div><\/div><\/div><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-kqtm3ega-59b910332ad12fde6f581cc1d6c372bb\">\n#top .av_textblock_section.av-kqtm3ega-59b910332ad12fde6f581cc1d6c372bb .avia_textblock{\nfont-size:14px;\n}\n<\/style>\n<section class=\"av_textblock_section av-kqtm3ega-59b910332ad12fde6f581cc1d6c372bb \" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/CreativeWork\"><div class=\"avia_textblock\" itemprop=\"text\"><p><em>Des employ&eacute;s de l&rsquo;USGS d&eacute;ploient une sonde de conductivit&eacute;\/temp&eacute;rature\/profondeur de l&rsquo;eau (AquaTroll) pour une &eacute;tude temporaire le long de la rivi&egrave;re Madison, Yellowstone.<\/em><\/p>\n<\/div><\/section><br>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-443aed21c6ac9dff11e07fc6bbec5ef9\">\n#top .hr.hr-invisible.av-av_hr-443aed21c6ac9dff11e07fc6bbec5ef9{\nheight:30px;\n}\n<\/style>\n<div class=\"hr av-av_hr-443aed21c6ac9dff11e07fc6bbec5ef9 hr-invisible  avia-builder-el-41  el_after_av_textblock  avia-builder-el-last \"><span class=\"hr-inner \"><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/div>\n<\/div><\/div><\/div><\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>We prevent volcanic risks, through projects in different areas: Science, education and geo-conservation. There is no Natural Disasters. They are natural risks or hazards that impact vulnerable societies and become disasters through human mismanagement.<\/p>\n","protected":false},"author":8,"featured_media":11142,"parent":11655,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-11666","page","type-page","status-publish","has-post-thumbnail","hentry"],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/pages\/11666","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/comments?post=11666"}],"version-history":[{"count":0,"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/pages\/11666\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/pages\/11655"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/media\/11142"}],"wp:attachment":[{"href":"https:\/\/volcanofoundation.org\/fr\/wp-json\/wp\/v2\/media?parent=11666"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}