{"id":16004,"date":"2017-11-04T20:00:34","date_gmt":"2017-11-04T18:00:34","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=16004"},"modified":"2017-10-27T16:09:00","modified_gmt":"2017-10-27T14:09:00","slug":"le-scenario-catastrophe-de-la-prochaine-mega-eruption-volcanique","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/le-scenario-catastrophe-de-la-prochaine-mega-eruption-volcanique\/","title":{"rendered":"Le sc\u00e9nario catastrophe de la prochaine m\u00e9ga \u00e9ruption volcanique"},"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>Il y a 202 ans survenait en Indon\u00e9sie l\u2019\u00e9ruption volcanique la plus puissante et la plus meurtri\u00e8re jamais recens\u00e9e. Les chercheurs estiment qu\u2019une telle \u00e9ruption, loin d\u2019\u00eatre une anomalie de l\u2019histoire, pourrait avoir lieu dans le futur.<\/p>\n<p>10 avril 1815. Apr\u00e8s cinq jours d\u2019activit\u00e9 inhabituelle, le Tambora entre en \u00e9ruption. Et c\u2019est un v\u00e9ritable d\u00e9luge de feu. Les nu\u00e9es ardentes qui d\u00e9valent les pentes du volcan emportent tout sur leur passage. Une ethnie enti\u00e8re est ras\u00e9e de la surface de la Terre, de m\u00eame que toute trace de vie dans un rayon de 25 km. En quelques jours, entre 71 000 et 121 000 personnes p\u00e9rissent.<\/p>\n<p>Mais la catastrophe ne s\u2019arr\u00eate pas l\u00e0. Pendant un an, des quantit\u00e9s ph\u00e9nom\u00e9nales de cendres sont projet\u00e9es dans l\u2019atmosph\u00e8re. Couvrant la lumi\u00e8re du soleil, elles font chuter la temp\u00e9rature partout dans le monde de 1,5\u00b0 C et, par voie de cons\u00e9quence, le rendement des cultures agricoles.<\/p>\n<p>En Europe, le manque de nourriture est criant. \u00c0 peine remis des guerres napol\u00e9oniennes, le continent conna\u00eet \u00e0 nouveau la famine. 100 000 personnes en p\u00e9riront. En Suisse, les conditions sont particuli\u00e8rement insoutenables. Le pays \u00e9tant priv\u00e9 d\u2019acc\u00e8s \u00e0 la mer, l\u2019approvisionnement en nourriture y est beaucoup plus difficile. La famine est telle que certaines m\u00e8res pr\u00e9f\u00e8rent tuer leurs enfants plut\u00f4t que de les voir mourir de faim.<\/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>\u00c0 titre de comparaison, l\u2019\u00e9ruption du Tambora a \u00e9t\u00e9 vingt fois plus puissante que celle du V\u00e9suve, qui annihila la ville antique de Pomp\u00e9i en l\u2019an 79. Si il demeure une exception \u00e0 l\u2019\u00e9chelle de l\u2019histoire humaine, les experts estiment qu\u2019un tel cataclysme pourrait se reproduire \u00e0 l\u2019avenir. Auquel cas, les cons\u00e9quences seraient bien plus dramatiques.<\/p>\n<p>En effet, la tr\u00e8s forte densit\u00e9 d\u00e9mographique d\u00e9multiplie les victimes potentielles d\u2019une \u00e9ruption volcanique. Pr\u00e8s de 800 millions de personnes vivent aujourd\u2019hui pr\u00e8s d\u2019un volcan possiblement actif, notamment dans certaines villes tr\u00e8s peupl\u00e9es de la plan\u00e8te (Mexico, Tokyo, Naples, Manille\u2026). Malgr\u00e9 les outils de pr\u00e9vention, le risque z\u00e9ro para\u00eet illusoire.<\/p>\n<p>En raison de la mondialisation \u00e9conomique et de l\u2019augmentation des moyens de communication, une \u00e9ruption m\u00eame mod\u00e9r\u00e9e peut avoir un impact \u00e9conomique d\u00e9vastateur. Rappelez-vous de l\u2019\u00e9ruption du volcan islandais Eyjafjallaj\u00f6kull qui paralysa le trafic a\u00e9rien en avril 2010. Peu puissante au regard de celle du Tambora, ses cons\u00e9quences n\u2019en furent pas moins consid\u00e9rables : 100 000 vols annul\u00e9s, 10 millions de passagers affect\u00e9s et un co\u00fbt total de 5 milliards de dollars.<\/p>\n<p>Face \u00e0 ces risques, la science se mobilise. Mais en d\u00e9pit de progr\u00e8s consid\u00e9rables en volcanologie, les scientifiques peinent encore \u00e0 pr\u00e9dire quand et o\u00f9 auront lieu de telles \u00e9ruptions.<\/p>\n<p>source : <a href=\"http:\/\/www.nationalgeographic.fr\/sciences\/le-scenario-catastrophe-de-la-prochaine-mega-eruption-volcanique\" target=\"_blank\" rel=\"noopener\">http:\/\/www.nationalgeographic.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"16004\">(1357)<\/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>Il y a 202 ans survenait en Indon\u00e9sie l\u2019\u00e9ruption volcanique la plus puissante et la plus meurtri\u00e8re jamais recens\u00e9e. Les&#8230;<\/p>\n","protected":false},"author":1,"featured_media":2362,"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":"Le sc\u00e9nario catastrophe de la prochaine m\u00e9ga \u00e9ruption volcanique @laterredufutur","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":[19],"tags":[40,374,128,475,454],"class_list":["post-16004","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-catastrophe","tag-eruption","tag-futur","tag-future","tag-volcanique","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/12\/.._galerie_albums_userpics_10001_eyjaf_eclairs.jpg?fit=400%2C267&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-4a8","jetpack-related-posts":[{"id":24030,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-systeme-volcanique-des-calderas-apres-une-super-eruption-reste-tres-active\/","url_meta":{"origin":16004,"position":0},"title":"Le syst\u00e8me volcanique des calderas apr\u00e8s une super \u00e9ruption reste tr\u00e8s active","author":"Admin","date":"10 mai 2022","format":false,"excerpt":"Les grandes caldeiras sont des structures d'effondrement form\u00e9es par l'\u00e9vacuation catastrophique du magma du sommet des r\u00e9servoirs de magma silicique de la cro\u00fbte sup\u00e9rieure. Souvent appel\u00e9es supervolcans, ces caldeiras et leurs fondations magmatiques associ\u00e9es fournissent des informations pr\u00e9cieuses sur les questions en suspens concernant la nature des syst\u00e8mes magmatiques cristaux,\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\/01\/yellowstone-super-eruption.jpg?fit=1200%2C631&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/yellowstone-super-eruption.jpg?fit=1200%2C631&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/yellowstone-super-eruption.jpg?fit=1200%2C631&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/yellowstone-super-eruption.jpg?fit=1200%2C631&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/yellowstone-super-eruption.jpg?fit=1200%2C631&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":25387,"url":"https:\/\/www.laterredufutur.com\/accueil\/litalie-pourrait-etre-touchee-par-des-super-eruptions-tous-les-10000-a-15000-ans\/","url_meta":{"origin":16004,"position":1},"title":"L&rsquo;Italie pourrait \u00eatre touch\u00e9e par des super \u00e9ruptions tous les 10000 \u00e0 15000 ans","author":"Admin","date":"26 novembre 2023","format":false,"excerpt":"D'\u00e9normes gisements issus de super-\u00e9ruptions volcaniques ont \u00e9t\u00e9 d\u00e9couverts par des chercheurs au fin fond de la mer Tyrrh\u00e9nienne, au large de la Sicile. Ces d\u00e9p\u00f4ts laissent pr\u00e9sager de nouveaux \u00e9pisodes catastrophiques cycliques. Des chercheurs am\u00e9ricains ont d\u00e9couvert dans la mer M\u00e9diterran\u00e9e quatre \u00e9normes d\u00e9p\u00f4ts volcaniques form\u00e9s au cours des\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":22991,"url":"https:\/\/www.laterredufutur.com\/accueil\/de-nouvelles-donnees-montrent-que-la-menace-deruptions-de-super-volcans-persiste-pendant-des-milliers-dannees\/","url_meta":{"origin":16004,"position":2},"title":"De nouvelles donn\u00e9es montrent que la menace d&rsquo;\u00e9ruptions de super volcans persiste pendant des milliers d&rsquo;ann\u00e9es","author":"Admin","date":"8 septembre 2021","format":false,"excerpt":"Les \u00e9ruptions de supervolcans ont provoqu\u00e9 certaines des plus grandes catastrophes de l'histoire de notre plan\u00e8te, et pourtant nous ne savons toujours pas comment pr\u00e9dire quand et comment elles vont frapper. Au lieu de s'\u00e9tablir dans une p\u00e9riode d'une certaine tranquillit\u00e9, de nouvelles recherches sugg\u00e8rent que certains de ces grands\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\/2020\/03\/volcan-toba.jpg?fit=1000%2C711&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/03\/volcan-toba.jpg?fit=1000%2C711&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/03\/volcan-toba.jpg?fit=1000%2C711&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/03\/volcan-toba.jpg?fit=1000%2C711&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":487,"url":"https:\/\/www.laterredufutur.com\/accueil\/volcanisme-islandais-catastrophe-annoncee\/","url_meta":{"origin":16004,"position":3},"title":"Le volcanisme islandais, une catastrophe annonc\u00e9e","author":"Admin","date":"18 ao\u00fbt 2011","format":false,"excerpt":"Et si l'\u00e9ruption de l'Eyjafjallaj\u00f6kull r\u00e9veillait son terrible voisin, Katla ? L'Islande est une terre volcanique tr\u00e8s active. Depuis mars 2010, le monde conna\u00eet au moins un de ses volcans. Trafic a\u00e9rien paralys\u00e9, pollution et \u00e9vacuation des habitants sont parmi les principales cons\u00e9quences connues. Ce n'est pas la premi\u00e8re fois\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":"volcanisme islandais","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2011\/08\/volcanisme-islandais.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":18713,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-risque-de-catastrophe-volcanique-eleve-menace-les-etats-unis-selon-des-chercheurs\/","url_meta":{"origin":16004,"position":4},"title":"Un risque de catastrophe volcanique \u00e9lev\u00e9 menace les \u00c9tats-Unis, selon des chercheurs","author":"Admin","date":"28 mars 2019","format":false,"excerpt":"En cas d'\u00e9ruption majeure des sept volcans actifs en Californie, la vie de 200.000 personnes au total serait menac\u00e9e, telle est la conclusion des sp\u00e9cialistes de l\u2019Institut d'\u00e9tudes g\u00e9ologiques des \u00c9tats-Unis. Ces scientifiques estiment la probabilit\u00e9 d'une \u00e9ruption au cours des 30 prochaines ann\u00e9es \u00e0 16%. Les sp\u00e9cialistes de l'Institut\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\/03\/californie-volcans.jpg?fit=750%2C445&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/californie-volcans.jpg?fit=750%2C445&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/californie-volcans.jpg?fit=750%2C445&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/californie-volcans.jpg?fit=750%2C445&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":17193,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-supervolcan-italien-campi-flegrei-entame-une-nouvelle-phase-qui-menera-a-la-prochaine-eruption-majeure\/","url_meta":{"origin":16004,"position":5},"title":"Le supervolcan italien Campi Flegrei entame une nouvelle phase qui m\u00e8nera \u00e0 la prochaine \u00e9ruption majeure","author":"Admin","date":"25 novembre 2018","format":false,"excerpt":"Un ancien supervolcan italien qui n'est pas entr\u00e9 en \u00e9ruption depuis 500 ans pourrait entamer une phase d'activit\u00e9 susceptible d'entra\u00eener une nouvelle \u00e9ruption colossale, une catastrophe potentielle pour les communaut\u00e9s qui se trouvent sur son chemin. Une nouvelle \u00e9tude sugg\u00e8re que les Campi Flegrei ou Champs Phl\u00e9gr\u00e9ens pourraient entrer dans\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\/11\/Campi-Flegrei.jpg?fit=1024%2C768&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/11\/Campi-Flegrei.jpg?fit=1024%2C768&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/11\/Campi-Flegrei.jpg?fit=1024%2C768&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/11\/Campi-Flegrei.jpg?fit=1024%2C768&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16004","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=16004"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16004\/revisions"}],"predecessor-version":[{"id":16005,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/16004\/revisions\/16005"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/2362"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=16004"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=16004"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=16004"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}