{"id":945,"date":"2015-12-16T12:15:32","date_gmt":"2015-12-16T12:15:32","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=945"},"modified":"2015-12-16T12:23:49","modified_gmt":"2015-12-16T12:23:49","slug":"video-les-differents-types-deruptions-volcaniques","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/12\/16\/video-les-differents-types-deruptions-volcaniques\/","title":{"rendered":"Vid\u00e9o : les diff\u00e9rents types d’\u00e9ruptions volcaniques"},"content":{"rendered":"

\"interview--quels-sont-les-differents-types-deruptions-volcaniques-\"<\/a><\/p>\n

Les \u00e9ruptions volcaniques font sans doute partie des catastrophes naturelles les plus destructrices et les plus spectaculaires. Elles ont lieu toute l\u2019ann\u00e9e et presque en permanence sur diverses r\u00e9gions du globe.<\/p>\n

Futura-Sciences a rencontr\u00e9 Jacques-Marie Bardintzeff, docteur en volcanologie, afin qu\u2019il nous explique comment se d\u00e9roulent ces \u00e9ruptions.<\/p>\n

<\/p>\n

http:\/\/www.futura-sciences.com\/videos\/d\/interview-sont-differents-types-eruptions-volcaniques-2690\/<\/a><\/p>\n

Il existe diff\u00e9rents types d\u2019\u00e9ruptions volcaniques et un volcan peut se comporter diff\u00e9remment \u00e0 chaque \u00e9ruption. N\u00e9anmoins ces \u00e9v\u00e9nements sont g\u00e9n\u00e9ralement class\u00e9s en deux familles diff\u00e9rentes : les \u00e9ruptions laviques et les \u00e9ruptions explosives.
\nLes \u00e9ruptions laviques, ou effusives, donnent lieu \u00e0 des coul\u00e9es de lave qui descendent le long du volcan. Elles peuvent modifier sa taille et sa forme, de m\u00eame que le paysage alentour. Dans certains rares cas elles donnent naissance \u00e0 des lacs de lave.
\nIl existe aussi des \u00e9ruptions explosives qui sont g\u00e9n\u00e9ralement plus violentes que les \u00e9ruptions laviques et qui \u00e9mettent beaucoup de cendres. Lors de sa sortie, le magma est alors souvent pulv\u00e9ris\u00e9 en fragments, sous forme de bombes volcaniques, ce qui rend ces \u00e9ruptions bien plus dangereuses mais souvent plus courtes.<\/p>\n","protected":false},"excerpt":{"rendered":"

Les \u00e9ruptions volcaniques font sans doute partie des catastrophes naturelles les plus destructrices et les plus spectaculaires. Elles ont lieu toute l\u2019ann\u00e9e et presque en permanence sur diverses r\u00e9gions du globe. Futura-Sciences a rencontr\u00e9 Jacques-Marie Bardintzeff, docteur en volcanologie, afin qu\u2019il nous explique comment se d\u00e9roulent ces \u00e9ruptions.<\/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":[21,17,3,13],"class_list":["post-945","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-bardintzeff","tag-eruption","tag-volcan","tag-volcanologue"],"yoast_head":"\nVid\u00e9o : les diff\u00e9rents types d'\u00e9ruptions volcaniques, 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\/2015\/12\/16\/video-les-differents-types-deruptions-volcaniques\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vid\u00e9o : les diff\u00e9rents types d'\u00e9ruptions volcaniques, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Les \u00e9ruptions volcaniques font sans doute partie des catastrophes naturelles les plus destructrices et les plus spectaculaires. 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