{"id":26729,"date":"2025-03-01T12:00:25","date_gmt":"2025-03-01T11:00:25","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=26729"},"modified":"2025-02-18T08:39:43","modified_gmt":"2025-02-18T07:39:43","slug":"les-tremblements-de-terre-sous-un-volcan-dalaska-pourraient-etre-le-signe-dune-eruption-imminente","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/les-tremblements-de-terre-sous-un-volcan-dalaska-pourraient-etre-le-signe-dune-eruption-imminente\/","title":{"rendered":"Les tremblements de terre sous un volcan d&rsquo;Alaska pourraient \u00eatre le signe d&rsquo;une \u00e9ruption imminente"},"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>Le mont Spurr, en Alaska, qui s&rsquo;\u00e9l\u00e8ve \u00e0 3 370 m\u00e8tres au-dessus du niveau de la mer, pourrait \u00eatre sur le point d&rsquo;entrer en \u00e9ruption, le nombre de petits tremblements de terre r\u00e9cents dans la r\u00e9gion s&rsquo;\u00e9levant d\u00e9sormais \u00e0 plusieurs milliers.<\/p>\n<p>Le sismologue Matthew Haney, de l&rsquo;Observatoire des volcans d&rsquo;Alaska \u00e0 Anchorage, a d\u00e9clar\u00e9 \u00e0 Julia Jacobo, de la cha\u00eene ABC News, que les chances d&rsquo;une \u00e9ruption \u00e9taient d\u00e9sormais de l&rsquo;ordre de 50-50. Cela fait suite \u00e0 une augmentation notable de l&rsquo;activit\u00e9 au cours des dix derniers mois.<\/p>\n<p>Le volcan n&rsquo;\u00e9tant situ\u00e9 qu&rsquo;\u00e0 130 kilom\u00e8tres (80 miles) \u00e0 l&rsquo;ouest d&rsquo;Anchorage (286 075 habitants), il existe un r\u00e9el danger pour la vie des habitants. La ville pourrait \u00eatre envelopp\u00e9e d&rsquo;un nuage de poussi\u00e8re en cas d&rsquo;\u00e9ruption, comme cela s&rsquo;est d\u00e9j\u00e0 produit par le pass\u00e9.<\/p>\n<p>La vid\u00e9o ci-dessous montre les retomb\u00e9es d&rsquo;une \u00e9ruption de 1953 du m\u00eame volcan, qui a projet\u00e9 un nuage de cendres \u00e0 plus de 10 000 m\u00e8tres au-dessus du niveau de la mer. On y voit des personnes essuyant les cendres de leurs v\u00e9hicules et un instantan\u00e9 d&rsquo;un titre du journal Anchorage Daily News : \u00ab City \u201cDigging Out\u201d \u00bb (La ville s&rsquo;en sort). L&rsquo;\u00e9ruption n&rsquo;a pas fait de victimes :<\/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\/PsR8Y3azASI?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>\u00ab L&rsquo;agitation continue au Mont Spurr, avec de nombreux petits tremblements de terre volcaniques peu profonds d\u00e9tect\u00e9s sous le volcan \u00bb, explique un r\u00e9cent avis volcanique de l&rsquo;United States Geological Survey (USGS).<\/p>\n<p>\u00ab Les tremblements de terre ont \u00e9t\u00e9 localis\u00e9s sous le c\u00f4t\u00e9 nord de l&rsquo;\u00e9vent du sommet du Spurr au cours de la journ\u00e9e \u00e9coul\u00e9e.<\/p>\n<p>L&rsquo;image ci-dessous montre l&rsquo;augmentation constante des tremblements de terre dans la r\u00e9gion ainsi que leur distance par rapport au volcan.<\/p>\n<figure id=\"attachment_26730\" aria-describedby=\"caption-attachment-26730\" style=\"width: 642px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"26730\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/les-tremblements-de-terre-sous-un-volcan-dalaska-pourraient-etre-le-signe-dune-eruption-imminente\/augmentation-de-lactivite-autour-du-mont-spurr\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Augmentation-de-lactivite-autour-du-Mont-Spurr.jpg?fit=642%2C651&amp;ssl=1\" data-orig-size=\"642,651\" 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;1&quot;}\" data-image-title=\"Augmentation de l&amp;rsquo;activit\u00e9 autour du Mont Spurr\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Augmentation de l&amp;rsquo;activit\u00e9 autour du Mont Spurr. (Observatoire des volcans de l&amp;rsquo;Alaska)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Augmentation-de-lactivite-autour-du-Mont-Spurr.jpg?fit=296%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Augmentation-de-lactivite-autour-du-Mont-Spurr.jpg?fit=642%2C651&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Augmentation-de-lactivite-autour-du-Mont-Spurr.jpg?resize=642%2C651&#038;ssl=1\" alt=\"\" width=\"642\" height=\"651\" class=\"size-full wp-image-26730\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Augmentation-de-lactivite-autour-du-Mont-Spurr.jpg?w=642&amp;ssl=1 642w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Augmentation-de-lactivite-autour-du-Mont-Spurr.jpg?resize=296%2C300&amp;ssl=1 296w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><figcaption id=\"caption-attachment-26730\" class=\"wp-caption-text\">Augmentation de l&rsquo;activit\u00e9 autour du Mont Spurr. (Observatoire des volcans de l&rsquo;Alaska)<\/figcaption><\/figure>\n<p>La derni\u00e8re \u00e9ruption du Mont Spurr \u00e9tait en fait trois \u00e9ruptions, qui se sont d\u00e9roul\u00e9es sur plusieurs mois en 1992. L&rsquo;a\u00e9roport d&rsquo;Anchorage a d\u00fb fermer pendant 20 heures \u00e0 cause du nuage de poussi\u00e8re et de cendres qui enveloppait 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>Un seul d\u00e9c\u00e8s a \u00e9t\u00e9 signal\u00e9, d\u00fb \u00e0 une crise cardiaque provoqu\u00e9e par les chutes de cendres \u00e0 la pelle, ainsi que quelques millions de dollars de d\u00e9g\u00e2ts. \u00c0 l&rsquo;\u00e9poque, comme aujourd&rsquo;hui, l&rsquo;activit\u00e9 s&rsquo;est accumul\u00e9e pendant plusieurs mois.<\/p>\n<figure id=\"attachment_26731\" aria-describedby=\"caption-attachment-26731\" style=\"width: 642px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"26731\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/les-tremblements-de-terre-sous-un-volcan-dalaska-pourraient-etre-le-signe-dune-eruption-imminente\/eruption-du-mont-spurr-en-1992\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Eruption-du-Mont-Spurr-en-1992.webp?fit=642%2C436&amp;ssl=1\" data-orig-size=\"642,436\" 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=\"\u00c9ruption du Mont Spurr en 1992\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;\u00c9ruption du Mont Spurr en 1992. (McGimsey, US Geological Survey, 1992)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Eruption-du-Mont-Spurr-en-1992.webp?fit=300%2C204&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Eruption-du-Mont-Spurr-en-1992.webp?fit=642%2C436&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Eruption-du-Mont-Spurr-en-1992.webp?resize=642%2C436&#038;ssl=1\" alt=\"\" width=\"642\" height=\"436\" class=\"size-full wp-image-26731\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Eruption-du-Mont-Spurr-en-1992.webp?w=642&amp;ssl=1 642w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/02\/Eruption-du-Mont-Spurr-en-1992.webp?resize=300%2C204&amp;ssl=1 300w\" sizes=\"auto, (max-width: 642px) 100vw, 642px\" \/><figcaption id=\"caption-attachment-26731\" class=\"wp-caption-text\">\u00c9ruption du Mont Spurr en 1992. (McGimsey, US Geological Survey, 1992)<\/figcaption><\/figure>\n<p>Outre les petites secousses, les scientifiques ont remarqu\u00e9 que le volcan se gonflait d&rsquo;environ 6,4 centim\u00e8tres (2,5 pouces), selon Haney &#8211; un autre signe que quelque chose s&rsquo;accumule sous la surface, pr\u00eat \u00e0 exploser.<\/p>\n<p>Toutefois, il n&rsquo;est pas encore temps de prendre des mesures d&rsquo;urgence. Des grondements similaires provenant du mont Spurr ont \u00e9t\u00e9 enregistr\u00e9s en 2004 et 2012, mais n&rsquo;ont pas \u00e9t\u00e9 suivis d&rsquo;\u00e9ruptions &#8211; et il pourrait s&rsquo;agir d&rsquo;un autre sc\u00e9nario similaire.<\/p>\n<p>En outre, les experts de l&rsquo;USGS estiment qu&rsquo;une activit\u00e9 sismique plus importante que celle observ\u00e9e jusqu&rsquo;\u00e0 pr\u00e9sent est \u00e0 pr\u00e9voir avant une \u00e9ruption, notamment autour des fumerolles ou des \u00e9vents dans la roche. Il est \u00e0 esp\u00e9rer qu&rsquo;un avertissement sera donn\u00e9 suffisamment \u00e0 l&rsquo;avance si une \u00e9ruption est sur le point de se produire.<\/p>\n<p>\u00ab D&rsquo;apr\u00e8s les \u00e9ruptions pr\u00e9c\u00e9dentes, des changements par rapport \u00e0 l&rsquo;activit\u00e9 actuelle dans les tremblements de terre, la d\u00e9formation du sol, le lac sommital et les fumerolles seraient attendus si le magma commen\u00e7ait \u00e0 se rapprocher de la surface \u00bb, explique l&rsquo;USGS.<\/p>\n<p>\u00ab Par cons\u00e9quent, il est tr\u00e8s probable que si une \u00e9ruption devait se produire, elle serait pr\u00e9c\u00e9d\u00e9e de signaux suppl\u00e9mentaires qui permettraient de donner l&rsquo;alerte \u00e0 l&rsquo;avance.<\/p>\n<p>Les volcanologues surveillent d\u00e9sormais de tr\u00e8s pr\u00e8s le mont Spurr pour essayer d&rsquo;avoir une meilleure id\u00e9e de ce qui se passe dans les profondeurs de la roche. L&rsquo;histoire r\u00e9cente nous apprend que ces \u00e9ruptions peuvent \u00eatre monumentales.<\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">Terra Projects<\/a><\/p>\n<p>Source : <a href=\"https:\/\/www.sciencealert.com\/earthquakes-under-alaskan-volcano-could-be-sign-its-about-to-erupt\" target=\"_blank\">https:\/\/www.sciencealert.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"26729\">(140)<\/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>Le mont Spurr, en Alaska, qui s&rsquo;\u00e9l\u00e8ve \u00e0 3 370 m\u00e8tres au-dessus du niveau de la mer, pourrait \u00eatre sur&#8230;<\/p>\n","protected":false},"author":1,"featured_media":26361,"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":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[19],"tags":[1274,374,8170,684,48],"class_list":["post-26729","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-alaska","tag-eruption","tag-spurr","tag-video","tag-volcan","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/volcan_Spurr.jpg?fit=640%2C426&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-6X7","jetpack-related-posts":[{"id":26359,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-spurr-en-alaska-serait-sur-le-point-dentrer-en-eruption\/","url_meta":{"origin":26729,"position":0},"title":"Le volcan Spurr en Alaska serait sur le point d&rsquo;entrer en \u00e9ruption","author":"Admin","date":"3 novembre 2024","format":false,"excerpt":"Depuis 1992, la b\u00eate dort paisiblement, mais si elle venait \u00e0 se r\u00e9veiller, les dommages seraient cons\u00e9quents. Cela fait plus de trente-deux ans que le mont Spurr, \u00e0 seulement 120 kilom\u00e8tres de la grande ville d'Anchorage (\u00c9tats-Unis) n'est pas entr\u00e9 en \u00e9ruption, le volcan montre d\u00e9sormais des signes de r\u00e9veil.\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\/2024\/10\/volcan_Spurr.jpg?fit=640%2C426&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/volcan_Spurr.jpg?fit=640%2C426&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/10\/volcan_Spurr.jpg?fit=640%2C426&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":11612,"url":"https:\/\/www.laterredufutur.com\/accueil\/leruption-du-volcan-pavlof-perturbe-le-trafic-aerien\/","url_meta":{"origin":26729,"position":1},"title":"L&rsquo;\u00e9ruption du volcan Pavlof perturbe le trafic a\u00e9rien","author":"Admin","date":"31 mars 2016","format":false,"excerpt":"L'\u00e9ruption a projet\u00e9 des cendres jusqu\u2019\u00e0 6.000 m d\u2019altitude. Les avions ont \u00e9t\u00e9 invit\u00e9s \u00e0 \u00e9viter la zone concern\u00e9e... Il dormait depuis novembre 2014. Le volcan Pavlof dans les \u00eeles al\u00e9outiennes, en Alaska, est entr\u00e9 en \u00e9ruption dimanche 27 mars 2016 au soir. Des cendres ont \u00e9t\u00e9 projet\u00e9es jusqu\u2019\u00e0 6.000\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\/2016\/03\/volcan-pavlof.jpg?fit=648%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/volcan-pavlof.jpg?fit=648%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/volcan-pavlof.jpg?fit=648%2C415&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":19574,"url":"https:\/\/www.laterredufutur.com\/accueil\/eruption-du-volcan-shiveluch-au-kamchatka\/","url_meta":{"origin":26729,"position":2},"title":"Eruption du volcan Shiveluch au Kamchatka","author":"Admin","date":"27 ao\u00fbt 2019","format":false,"excerpt":"Avis de cendres volcaniques du volcan Shiveluch: VA SHEVELUCH ERUPTION 24 AO\u00dbT. \u00e0 21 300 m Dimanche 25 ao\u00fbt 2019 18h15 | PAR: VN L'activit\u00e9 explosive continue. Le Centre d\u2019avertissement des cendres volcaniques (VAAC) d\u2019Anchorage a mis en garde contre un panache de cendres volcaniques qui s\u2019\u00e9levait \u00e0 une altitude\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\/2019\/08\/volcan-shiveluch-kamchatka.jpg?fit=632%2C383&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/08\/volcan-shiveluch-kamchatka.jpg?fit=632%2C383&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/08\/volcan-shiveluch-kamchatka.jpg?fit=632%2C383&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":22702,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-rafales-delectricite-invisibles-provenant-des-volcans-signalent-des-eruptions-explosives\/","url_meta":{"origin":26729,"position":3},"title":"Des rafales d&rsquo;\u00e9lectricit\u00e9 invisibles provenant des volcans signalent des \u00e9ruptions explosives","author":"Admin","date":"1 juillet 2021","format":false,"excerpt":"Des signaux \u00e9lectriques myst\u00e9rieux pourraient aider \u00e0 pr\u00e9venir les aviateurs de l'imminence de panaches de cendres volcaniques. Le Sakurajima, l'un des volcans les plus actifs du Japon, \u00e9blouit souvent par ses \u00e9clairs volcaniques spectaculaires dans un ciel rempli de cendres. Mais le volcan peut \u00e9galement produire des \u00e9clats d'activit\u00e9 \u00e9lectrique\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\/Sakurajima-eclairs.jpg?fit=1030%2C580&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/Sakurajima-eclairs.jpg?fit=1030%2C580&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/Sakurajima-eclairs.jpg?fit=1030%2C580&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/07\/Sakurajima-eclairs.jpg?fit=1030%2C580&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":21063,"url":"https:\/\/www.laterredufutur.com\/accueil\/froid-famine-et-maladie-ainsi-leruption-la-plus-violente-des-2500-dernieres-annees-a-change-le-climat-et-lhistoire\/","url_meta":{"origin":26729,"position":4},"title":"Froid, famine et maladie: ainsi \u00ab\u00a0l&rsquo;\u00e9ruption la plus violente des 2500 derni\u00e8res ann\u00e9es\u00a0\u00bb a chang\u00e9 le climat et l&rsquo;histoire","author":"Admin","date":"11 juillet 2020","format":false,"excerpt":"L'\u00e9ruption du volcan Okmok en Alaska \"a eu des r\u00e9percussions sur le syst\u00e8me climatique et les aspects sociaux des civilisations de l'\u00e9poque\". Selon une recherche publi\u00e9e dans les \"Actes de l'Acad\u00e9mie nationale des sciences\", men\u00e9e par une \u00e9quipe internationale de chercheurs, une \u00e9ruption aurait pu d\u00e9clencher des \u00e9v\u00e9nements climatiques extr\u00eames,\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\/2020\/07\/volcan-okmok-alaska.jpg?fit=900%2C964&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/volcan-okmok-alaska.jpg?fit=900%2C964&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/volcan-okmok-alaska.jpg?fit=900%2C964&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/07\/volcan-okmok-alaska.jpg?fit=900%2C964&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":11233,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-11-plus-grandes-eruptions-volcaniques-depuis-4000-ans\/","url_meta":{"origin":26729,"position":5},"title":"Les plus grandes \u00e9ruptions volcaniques depuis 4000 ans","author":"Admin","date":"10 mars 2016","format":false,"excerpt":"L'histoire a vu de monstrueuses \u00e9ruptions volcaniques, des \u00e9poques de refroidissement du mont Pinatubo \u00e0 l'explosion du MontTambora, l'un des plus hauts sommets de l'archipel indon\u00e9sien. La puissance de ces \u00e9ruptions est mesur\u00e9e en utilisant l'indice\u00a0explosibilit\u00e9\u00a0volcanique (VEI), un syst\u00e8me de classification mis au point dans\u00a0les ann\u00e9es 1980 qui peut \u00eatre\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/eruption-du-volcan-calbuco-23-avril-2015.jpg?fit=648%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/eruption-du-volcan-calbuco-23-avril-2015.jpg?fit=648%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/04\/eruption-du-volcan-calbuco-23-avril-2015.jpg?fit=648%2C415&ssl=1&resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26729","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=26729"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26729\/revisions"}],"predecessor-version":[{"id":26732,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/26729\/revisions\/26732"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/26361"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=26729"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=26729"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=26729"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}