{"id":21091,"date":"2020-07-21T17:00:27","date_gmt":"2020-07-21T15:00:27","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=21091"},"modified":"2020-07-09T09:10:50","modified_gmt":"2020-07-09T07:10:50","slug":"un-supervolcan-vieux-de-140-millions-dannees-decouvert-sous-hong-kong","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/un-supervolcan-vieux-de-140-millions-dannees-decouvert-sous-hong-kong\/","title":{"rendered":"Un supervolcan vieux de 140 millions d&rsquo;ann\u00e9es d\u00e9couvert sous Hong Kong"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p>La Chine a un supervolcan vieux de 140 millions d&rsquo;ann\u00e9es qui se cache sous Hong Kong &#8211; et les scientifiques disent que sa violente \u00e9ruption a contribu\u00e9 \u00e0 former la g\u00e9ologie de la r\u00e9gion administrative de Hong Kong.<\/p>\n<figure id=\"attachment_21096\" aria-describedby=\"caption-attachment-21096\" style=\"width: 630px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"21096\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/un-supervolcan-vieux-de-140-millions-dannees-decouvert-sous-hong-kong\/hong-kong-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong.jpg?fit=630%2C372&amp;ssl=1\" data-orig-size=\"630,372\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"hong-kong\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;\u00a9 Premium Collection &amp;#8211; Fotolia&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong.jpg?fit=630%2C372&amp;ssl=1\" class=\"size-full wp-image-21096\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong.jpg?resize=630%2C372&#038;ssl=1\" alt=\"\" width=\"630\" height=\"372\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong.jpg?w=630&amp;ssl=1 630w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong.jpg?resize=300%2C177&amp;ssl=1 300w\" sizes=\"auto, (max-width: 630px) 100vw, 630px\" \/><figcaption id=\"caption-attachment-21096\" class=\"wp-caption-text\">\u00a9 Premium Collection &#8211; Fotolia<\/figcaption><\/figure>\n<p>Un supervolcan est un grand volcan qui a eu une \u00e9ruption avec un indice d&rsquo;explosivit\u00e9 volcanique (VEI) de 8, la plus grande valeur enregistr\u00e9e sur l&rsquo;indice. Cela signifie que le volume des d\u00e9p\u00f4ts de l&rsquo;\u00e9ruption est sup\u00e9rieur \u00e0 1 000 kilom\u00e8tres cubes, suffisamment pour effacer des villes enti\u00e8res de la carte et provoquer une catastrophe mondiale, similaire \u00e0 un hiver nucl\u00e9aire. La g\u00e9ologie de Hong Kong est domin\u00e9e par les roches ign\u00e9es, y compris les roches granitiques et les roches volcaniques, form\u00e9es pendant une p\u00e9riode d&rsquo;\u00e9ruption volcanique majeure au M\u00e9sozo\u00efque. Les chercheurs disent que les origines de la ville peuvent \u00eatre retrac\u00e9es dans la lave et les cendres d\u00e9laiss\u00e9es apr\u00e8s un \u00e9ruption du supervolcan il y a 140 millions d&rsquo;ann\u00e9es dans la r\u00e9gion.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"21094\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/un-supervolcan-vieux-de-140-millions-dannees-decouvert-sous-hong-kong\/hong-kong-supervolcan-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-2.jpg?fit=640%2C640&amp;ssl=1\" data-orig-size=\"640,640\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"hong-kong-supervolcan\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-2.jpg?fit=640%2C640&amp;ssl=1\" class=\"size-full wp-image-21094 aligncenter\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-2.jpg?resize=640%2C640&#038;ssl=1\" alt=\"\" width=\"640\" height=\"640\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-2.jpg?w=640&amp;ssl=1 640w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-2.jpg?resize=300%2C300&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-2.jpg?resize=144%2C144&amp;ssl=1 144w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/p>\n<p>La d\u00e9couverte a \u00e9t\u00e9 faite par des g\u00e9ologues au cours de leur \u00e9tude quotidienne, car ils ont d\u00e9couvert que les roches qu&rsquo;ils analysaient pouvaient \u00eatre li\u00e9es \u00e0 une seule source, faisant de la d\u00e9couverte la premi\u00e8re du genre dans la r\u00e9gion.<\/p>\n<p>Denise Tang Lai-kwan, ing\u00e9nieure g\u00e9otechnique du D\u00e9partement du g\u00e9nie civil et du d\u00e9veloppement, a d\u00e9clar\u00e9 en 2012: \u00abIl est juste de dire que Hong Kong se trouve sur un tr\u00e8s vieux volcan.<\/p>\n<p>\u00ab\u00a0Bien que la plupart des vestiges soient submerg\u00e9s, le granit de Kowloon et les piliers rocheux des \u00eeles Ninepin peuvent \u00eatre retrac\u00e9s jusqu&rsquo;\u00e0 cette seule source.\u00a0\u00bb<\/p>\n<figure id=\"attachment_21092\" aria-describedby=\"caption-attachment-21092\" style=\"width: 553px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"21092\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/un-supervolcan-vieux-de-140-millions-dannees-decouvert-sous-hong-kong\/hong-kong-supervolcan\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan.jpg?fit=553%2C369&amp;ssl=1\" data-orig-size=\"553,369\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"hong-kong-supervolcan\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Hong Kong se trouve au sommet d&amp;rsquo;un supervolcan. L&amp;rsquo;image montre de grandes colonnes hexagonales de roche volcanique, au sud-est de Hong Kong. Image: Reuters&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan.jpg?fit=553%2C369&amp;ssl=1\" class=\"size-full wp-image-21092\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan.jpg?resize=553%2C369&#038;ssl=1\" alt=\"\" width=\"553\" height=\"369\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan.jpg?w=553&amp;ssl=1 553w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan.jpg?resize=300%2C200&amp;ssl=1 300w\" sizes=\"auto, (max-width: 553px) 100vw, 553px\" \/><figcaption id=\"caption-attachment-21092\" class=\"wp-caption-text\">Hong Kong se trouve au sommet d&rsquo;un supervolcan. L&rsquo;image montre de grandes colonnes hexagonales de roche volcanique, au sud-est de Hong Kong. Image: Reuters<\/figcaption><\/figure>\n<p>Son coll\u00e8gue, le Dr Roderick Sewell, a rappel\u00e9 le moment o\u00f9 il a r\u00e9alis\u00e9 qu&rsquo;il \u00e9tait sur quelque chose de grand &#8211; l&rsquo;explication du paysage unique de la ville !<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p>Il a dit: \u00abLe moment d&rsquo;euphorie pour moi a \u00e9t\u00e9 de r\u00e9aliser que tout pointait vers une seule source &#8211; un supervolcan &#8211; le seul syst\u00e8me qui aurait pu cr\u00e9er toutes les caract\u00e9ristiques g\u00e9ologiques uniques de Hong Kong.<\/p>\n<p>\u00abNous avons d\u00e9couvert quelque chose de beaucoup plus grand que ce que nous pensions.<\/p>\n<p>\u00abIl n&rsquo;y a qu&rsquo;une cinquantaine de supervolcans dans l&rsquo;histoire de l&rsquo;humanit\u00e9.<\/p>\n<p>\u00ab\u00a0Nous pensons que d&rsquo;autres seront ajout\u00e9s \u00e0 la liste apr\u00e8s notre d\u00e9couverte.\u00a0\u00bb<\/p>\n<figure id=\"attachment_21095\" aria-describedby=\"caption-attachment-21095\" style=\"width: 384px\" class=\"wp-caption aligncenter\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"21095\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/un-supervolcan-vieux-de-140-millions-dannees-decouvert-sous-hong-kong\/olympus-digital-camera-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-3.jpg?fit=384%2C512&amp;ssl=1\" data-orig-size=\"384,512\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;Martin Williams&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;OLYMPUS DIGITAL CAMERA&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;MDW&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;OLYMPUS DIGITAL CAMERA&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"OLYMPUS DIGITAL CAMERA\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;OLYMPUS DIGITAL CAMERA&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-3.jpg?fit=384%2C512&amp;ssl=1\" class=\"size-full wp-image-21095\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-3.jpg?resize=384%2C512&#038;ssl=1\" alt=\"\" width=\"384\" height=\"512\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-3.jpg?w=384&amp;ssl=1 384w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-3.jpg?resize=225%2C300&amp;ssl=1 225w\" sizes=\"auto, (max-width: 384px) 100vw, 384px\" \/><figcaption id=\"caption-attachment-21095\" class=\"wp-caption-text\">OLYMPUS DIGITAL CAMERA<\/figcaption><\/figure>\n<p>L&rsquo;\u00e9quipe a ensuite cartographi\u00e9 l&rsquo;ensemble de son syst\u00e8me, allant de l&rsquo;est de Sai Kung \u00e0 Kowloon et \u00e0 l&rsquo;\u00eele de Hong Kong elle-m\u00eame, form\u00e9e par la lave et les cendres laiss\u00e9es derri\u00e8re et l&rsquo;a baptis\u00e9e \u00ab\u00a0 High Island Supervolcano \u00a0\u00bb d&rsquo;apr\u00e8s l&rsquo;\u00eele de Sai Kung, qui marque le bord du sommet du volcan.<br \/>\nLa partie la plus profonde du supervolcan se trouve au milieu de la ville, \u00e0 Kowloon et \u00e0 l&rsquo;\u00eele de Hong Kong, o\u00f9 les poches de magma restantes sont d\u00e9limit\u00e9es sous forme de granit.<\/p>\n<p>La caldeira de 18 kilom\u00e8tres de large du supervolcan s&rsquo;est form\u00e9e sous l&rsquo;effet de la haute pression et de la chaleur au c\u0153ur de la Terre qui ont provoqu\u00e9 l&rsquo;effondrement de la surface.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/vAtoOdZ-Pr0?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\" rel=\"noopener noreferrer\">Terra Projects<\/a><\/p>\n<p>sources : <a href=\"https:\/\/www.express.co.uk\/news\/science\/1304614\/china-doomsday-eruption-ancient-supervolcano-hong-kong-high-island-magma-ash-spt\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.express.co.uk\/<\/a> \/ <a href=\"https:\/\/strangesounds.org\/2020\/07\/hong-kong-super-volcano-hongkong-china-doomsday.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/strangesounds.org\/<\/a> \/ <a href=\"https:\/\/www.rgshk.org.hk\/events-2016\/item\/1872-hong-kong-s-big-bang-the-story-behind-the-discovery-of-hong-kong-s-supervolcano.html\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.rgshk.org.hk\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"21091\">(581)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>La Chine a un supervolcan vieux de 140 millions d&rsquo;ann\u00e9es qui se cache sous Hong Kong &#8211; et les scientifiques&#8230;<\/p>\n","protected":false},"author":1,"featured_media":21093,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"Un #supervolcan vieux de 140 millions d'ann\u00e9es d\u00e9couvert sous #Hong Kong @laterredufutur.com Terra Projects","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[33,19],"tags":[2264,537,374,7442,667,684],"class_list":["post-21091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archeologie","category-seismes-et-volcans","tag-caldeira","tag-chine","tag-eruption","tag-hong-kong","tag-supervolcan","tag-video","wpcat-33-id","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/hong-kong-supervolcan-1.jpg?fit=1200%2C630&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-5ub","jetpack-related-posts":[{"id":4477,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-pollution-a-lorigine-de-10-000-deces-par-an-dans-le-sud-de-la-chine\/","url_meta":{"origin":21091,"position":0},"title":"La pollution \u00e0 l&rsquo;origine de 10.000 d\u00e9c\u00e8s par an dans le sud de la Chine","author":"Admin","date":"27 juin 2008","format":false,"excerpt":"HONG KONG (AFP) \u2014 La pollution de l'air est \u00e0 l'origine d'au moins 10.000 d\u00e9c\u00e8s par an \u00e0 Hong Kong, Macao et dans le sud de la Chine, selon les r\u00e9sultats d'une \u00e9tude publi\u00e9s mercredi 11 juin 2008 \u00e0 Hong Kong. La pollution de l'air est \u00e9galement responsable de 440.000\u2026","rel":"","context":"Dans &quot;Pollution&quot;","block_context":{"text":"Pollution","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/pollution\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/Hong-Kong.jpg?fit=359%2C240&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":22813,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-supervolcan-des-champs-phlegreens-se-retrouve-dans-le-magazine-focus-parmi-les-10-plus-dangereux-de-la-planete\/","url_meta":{"origin":21091,"position":1},"title":"Le supervolcan des Champs Phl\u00e9gr\u00e9ens se retrouve dans le magazine Focus : \u00ab\u00a0Parmi les 10 plus dangereux de la plan\u00e8te\u00a0\u00bb","author":"Admin","date":"28 juillet 2021","format":false,"excerpt":"Pr\u00e9dire les tremblements de terre et les explosions volcaniques est une t\u00e2che difficile. L'ensemble de la Campanie est une zone sismique et fait l'objet d'une surveillance quotidienne. C'est maintenant au prestigieux magazine scientifique Focus de consacrer un article du supervolcan des Champs Phl\u00e9gr\u00e9ens, consid\u00e9r\u00e9 comme l'un des 10 plus dangereux\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/champ-plegreens.jpg?fit=1080%2C1027&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/champ-plegreens.jpg?fit=1080%2C1027&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/champ-plegreens.jpg?fit=1080%2C1027&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/champ-plegreens.jpg?fit=1080%2C1027&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/champ-plegreens.jpg?fit=1080%2C1027&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":25318,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-enorme-supervolcan-pourrait-se-cacher-sous-les-iles-de-lalaska\/","url_meta":{"origin":21091,"position":2},"title":"Un \u00e9norme supervolcan pourrait se cacher sous les \u00eeles de l&rsquo;Alaska","author":"Admin","date":"29 octobre 2023","format":false,"excerpt":"Un jeu g\u00e9ologique de connexion des \u00e9l\u00e9ments r\u00e9v\u00e8le des indices d'un gigantesque crat\u00e8re sous-marin. Un supervolcan myst\u00e9rieux, qui n'avait pas encore \u00e9t\u00e9 d\u00e9couvert, pourrait se cacher sous les \u00eeles Al\u00e9outiennes de l'Alaska. Une nouvelle \u00e9tude sugg\u00e8re qu'un large crat\u00e8re, cr\u00e9\u00e9 lors de l'explosion du supervolcan, relie au moins quatre volcans\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/alaska-supervolcan.jpg?fit=1028%2C580&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/alaska-supervolcan.jpg?fit=1028%2C580&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/alaska-supervolcan.jpg?fit=1028%2C580&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/alaska-supervolcan.jpg?fit=1028%2C580&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":17404,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-conditions-deruption-dun-supervolcan-recreees-dans-un-laboratoire-de-rayons-x-les-champs-phlegreens-en-perspective\/","url_meta":{"origin":21091,"position":3},"title":"Les conditions d&rsquo;\u00e9ruption d&rsquo;un supervolcan recr\u00e9\u00e9es dans un laboratoire de rayons X &#8211; Les Champs Phl\u00e9gr\u00e9ens en perspective","author":"Admin","date":"29 d\u00e9cembre 2018","format":false,"excerpt":"Des scientifiques ont reproduit les conditions de pression et de temp\u00e9rature r\u00e9gnant dans la chambre magmatique des supervolcans pour comprendre comment se d\u00e9clenchent leurs explosions. Ces explosions, heureusement tr\u00e8s rares, sont les catastrophes naturelles les plus dramatiques sur Terre, \u00e0 l'exception des chutes de m\u00e9t\u00e9orites g\u00e9antes. Gr\u00e2ce aux rayons X\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/Champs-Phl%C3%A9gr%C3%A9ens.jpg?fit=1200%2C749&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/Champs-Phl%C3%A9gr%C3%A9ens.jpg?fit=1200%2C749&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/Champs-Phl%C3%A9gr%C3%A9ens.jpg?fit=1200%2C749&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/Champs-Phl%C3%A9gr%C3%A9ens.jpg?fit=1200%2C749&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/12\/Champs-Phl%C3%A9gr%C3%A9ens.jpg?fit=1200%2C749&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":23336,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-etude-deconcertante-revele-quil-pourrait-ny-avoir-aucune-alerte-pour-la-prochaine-eruption-du-supervolcan\/","url_meta":{"origin":21091,"position":4},"title":"Une \u00e9tude d\u00e9concertante r\u00e9v\u00e8le qu&rsquo;il pourrait n&rsquo;y avoir aucune alerte pour la prochaine \u00e9ruption du supervolcan","author":"Admin","date":"6 novembre 2021","format":false,"excerpt":"Selon une nouvelle \u00e9tude d\u00e9taill\u00e9e du volcan Toba \u00e0 Sumatra, en Indon\u00e9sie, certains des principaux signes avant-coureurs que les g\u00e9ologues recherchent g\u00e9n\u00e9ralement avant une \u00e9ruption supervolcanique ne sont pas toujours pr\u00e9sents. Les r\u00e9sultats sugg\u00e8rent que les gigantesques \u00e9ruptions du Toba, il y a environ 840 000 ans et 75 000\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/11\/Lac-volcan-Toba.jpg?fit=1024%2C577&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/11\/Lac-volcan-Toba.jpg?fit=1024%2C577&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/11\/Lac-volcan-Toba.jpg?fit=1024%2C577&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/11\/Lac-volcan-Toba.jpg?fit=1024%2C577&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":15485,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-supervolcan-du-yellowstone-vient-dobserver-878-seismes-en-deux-semaines\/","url_meta":{"origin":21091,"position":5},"title":"Le supervolcan du Yellowstone vient d&rsquo;observer 878 seismes en deux semaines","author":"Admin","date":"29 juin 2017","format":false,"excerpt":"Le Yellowstone a eu un mois de turbulences. En seulement deux semaines, le supervolcan qui se trouve sous le parc national du Wyoming aux USA a connu 878 tremblements de terre. Cette s\u00e9rie de tremblements de terre, appel\u00e9 essaim de tremblements de terre, a commenc\u00e9 le 12 juin 2017. En\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/06\/yellowstone.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/06\/yellowstone.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/06\/yellowstone.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/06\/yellowstone.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21091","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=21091"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21091\/revisions"}],"predecessor-version":[{"id":21097,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21091\/revisions\/21097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/21093"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=21091"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=21091"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=21091"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}