{"id":2853,"date":"2017-10-15T10:07:37","date_gmt":"2017-10-15T10:07:37","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=2853"},"modified":"2017-10-15T12:59:19","modified_gmt":"2017-10-15T12:59:19","slug":"reveil-de-yellowstone-lci","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/10\/15\/reveil-de-yellowstone-lci\/","title":{"rendered":"Le \u00ab r\u00e9veil \u00bb de Yellowstone sur LCI"},"content":{"rendered":"

Le \u00ab\u00a0supervolcan\u00a0\u00bb de Yellowstone fait r\u00e9guli\u00e8rement parl\u00e9 de lui. Une communication scientifique r\u00e9cente de Hannah Shamloo et collaborateurs pr\u00e9cise qu\u2019une \u00ab\u00a0super-\u00e9ruption\u00a0\u00bb pourrait se d\u00e9clencher en quelques d\u00e9cennies et non pas en quelques si\u00e8cles voire mill\u00e9naires comme on le pensait pr\u00e9c\u00e9demment.<\/p>\n

\"\"<\/p>\n

Jacques-Marie Bardintzeff, volcanologue, interview\u00e9 par Jeanne Bulant pour LCI (\u00a9 J.M. Bardintzeff).<\/p>\n

<\/p>\n

Interview\u00e9 par Jeanne Bulant pour LCI, j\u2019explique qu\u2019un r\u00e9veil est bien s\u00fbr possible mais n\u2019est pas d\u2019actualit\u00e9 pour l\u2019instant. Un r\u00e9veil se traduirait dans 999 cas sur 1000 par une \u00e9ruption \u00ab\u00a0classique\u00a0\u00bb quoique d\u00e9j\u00e0 tr\u00e8s importante (1 \u00e0 10 km3<\/sup> de magma expuls\u00e9s) et dans un cas sur 1000 \u00e0 la \u00ab\u00a0super-\u00e9ruption\u00a0\u00bb tant redout\u00e9e (1000 km3<\/sup>), avec un impact climatique tr\u00e8s important.<\/p>\n

L\u2019interview sur LCI\u00a0:<\/p>\n

www.lci.fr\/sciences\/super-volcan-de-yellowstone-un-risque-sur-1000-d-avoir-une-eruption-dramatique-2067408.html<\/a><\/p>\n

C\u2019\u00e9tait l\u2019article le plus lu ce dimanche 15\/10, en d\u00e9but d\u2019apr\u00e8s-midi.<\/p>\n

Super volcan de Yellowstone : “Un risque sur 1000 d\u2019avoir une \u00e9ruption dramatique”<\/p>\n

EXPLOSIF \u2013 Alors que le super-volcan de Yellowstone, aux \u00c9tats-Unis, menace de se r\u00e9veiller plus t\u00f4t que pr\u00e9vu, LCI a demand\u00e9 l’\u00e9clairage de Jacques-Marie Bardintzeff, volcanologue quel pourrait \u00eatre l\u2019impact d\u2019une \u00e9ruption.<\/p>\n

Son activit\u00e9 est plus que jamais surveill\u00e9e. Alors que des chercheurs am\u00e9ricains ont r\u00e9cemment fait \u00e9tat d\u2019une \u00e9volution inattendue de sa temp\u00e9rature, le super-volcan de Yellowstone, aux \u00c9tats-Unis, pourrait se r\u00e9veiller plus t\u00f4t que pr\u00e9vu. Une \u00e9ventualit\u00e9 qui, forc\u00e9ment, inqui\u00e8te. Entr\u00e9 en \u00e9ruption pour la derni\u00e8re fois il y a 640.000 ans, selon le National Geographic, le volcan doit, th\u00e9oriquement, se ranimer tous les 600.000 ans.<\/p>\n

“Le volcan Yellowstone pourrait se r\u00e9veiller dans les dizaines d\u2019ann\u00e9es \u00e0 venir”, explique Jacques-Marie Bardintzeff, volcanologue, au micro de LCI. “Il y a 999 chances sur 1000 que ce soit une \u00e9ruption classique, qui serait d\u00e9j\u00e0 importante, et un risque sur 1000 que ce soit une \u00e9ruption dramatique, que l\u2019on appelle une super-\u00e9ruption, 1000 fois plus forte, qui pourrait avoir un impact climatique.”<\/p>\n","protected":false},"excerpt":{"rendered":"

Le \u00ab\u00a0supervolcan\u00a0\u00bb de Yellowstone fait r\u00e9guli\u00e8rement parl\u00e9 de lui. Une communication scientifique r\u00e9cente de Hannah Shamloo et collaborateurs pr\u00e9cise qu\u2019une \u00ab\u00a0super-\u00e9ruption\u00a0\u00bb pourrait se d\u00e9clencher en quelques d\u00e9cennies et non pas en quelques si\u00e8cles voire mill\u00e9naires comme on le pensait pr\u00e9c\u00e9demment. Jacques-Marie Bardintzeff, volcanologue, interview\u00e9 par Jeanne Bulant pour LCI (\u00a9 J.M. Bardintzeff).<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[6],"tags":[21,998,999,1000,1001,3,13,36],"class_list":["post-2853","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-bardintzeff","tag-bulant","tag-lci","tag-super-eruption","tag-supervolcan","tag-volcan","tag-volcanologue","tag-yellowstone"],"yoast_head":"\nLe \u00ab r\u00e9veil \u00bb de Yellowstone sur LCI, par Jacques-Marie Bardintzeff<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2017\/10\/15\/reveil-de-yellowstone-lci\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Le \u00ab r\u00e9veil \u00bb de Yellowstone sur LCI, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Le \u00ab\u00a0supervolcan\u00a0\u00bb de Yellowstone fait r\u00e9guli\u00e8rement parl\u00e9 de lui. Une communication scientifique r\u00e9cente de Hannah Shamloo et collaborateurs pr\u00e9cise qu\u2019une \u00ab\u00a0super-\u00e9ruption\u00a0\u00bb pourrait se d\u00e9clencher en quelques d\u00e9cennies et non pas en quelques si\u00e8cles voire mill\u00e9naires comme on le pensait pr\u00e9c\u00e9demment. Jacques-Marie Bardintzeff, volcanologue, interview\u00e9 par Jeanne Bulant pour LCI (\u00a9 J.M. 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