{"id":1000,"date":"2016-01-01T17:40:50","date_gmt":"2016-01-01T17:40:50","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=1000"},"modified":"2016-01-01T17:52:04","modified_gmt":"2016-01-01T17:52:04","slug":"video-les-mysterieux-volcans-sous-marins","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/","title":{"rendered":"Vid\u00e9o : les myst\u00e9rieux volcans sous-marins"},"content":{"rendered":"

\"interview--les-mysterieux-volcans-sous-marins\"<\/a>Les volcans sous-marins sont plus nombreux que les volcans terrestres (situ\u00e9s sur les continents) mais ils restent mal connus. Futura-Sciences a rencontr\u00e9 Jacques-Marie Bardintzeff, docteur en volcanologie, pour qu’il nous parle de ces surprenants volcans.
\nIl existe deux grands types de volcans sous-marins :
\nLes premiers se situent entre les plaques tectoniques (ils sont donc \u00ab interplaques \u00bb) et constituent d\u2019immenses cha\u00eenes de volcans sous-marins, appel\u00e9es \u00ab dorsales m\u00e9dio-oc\u00e9aniques \u00bb.
\nLes seconds sont des volcans isol\u00e9s (en situations \u00ab intraplaques \u00bb, li\u00e9s \u00e0 des \u00ab points chauds \u00bb ou \u00ab hot spots \u00bb), qui poussent depuis les profondeurs de l\u2019oc\u00e9an pour \u00e9merger parfois sous forme d\u2019\u00eeles. La R\u00e9union, les Canaries, mais aussi l’\u00eele de P\u00e2ques, les Gal\u00e1pagos, sont, par exemple, le fruit de ce type de volcanisme.<\/p>\n

http:\/\/www.futura-sciences.com\/videos\/d\/interview-mysterieux-volcans-sous-marins-2710\/<\/a><\/p>\n

L\u2019activit\u00e9 volcanique sous-marine est relativement peu \u00e9tudi\u00e9e car se rendre sur les lieux d\u2019\u00e9ruptions est toujours complexe. Notamment parce que ces \u00e9v\u00e9nements se d\u00e9roulent \u00e0 grandes profondeurs et durant un laps de temps relativement court. Il est n\u00e9anmoins possible d’observer, dans certaines parties du globe et en altitude, des pillow lavas (ou laves en coussins, comme au Chenaillet dans les Alpes), vestiges d\u2019\u00e9ruptions sous-marines pass\u00e9es.<\/p>\n","protected":false},"excerpt":{"rendered":"

Les volcans sous-marins sont plus nombreux que les volcans terrestres (situ\u00e9s sur les continents) mais ils restent mal connus. Futura-Sciences a rencontr\u00e9 Jacques-Marie Bardintzeff, docteur en volcanologie, pour qu’il nous parle de ces surprenants volcans. Il existe deux grands types de volcans sous-marins : Les premiers se situent entre les plaques tectoniques (ils sont donc … Continuer la lecture de Vid\u00e9o : les myst\u00e9rieux volcans sous-marins<\/span> →<\/span><\/a><\/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":[79,21,26,320,321,17,322,323,324,327,328,325,33,102,54,3,326,329,13],"class_list":["post-1000","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-alpes","tag-bardintzeff","tag-canaries","tag-chenaillet","tag-dorsale-medio-oceanique","tag-eruption","tag-eruption-sous-marine","tag-galapagos","tag-hot-spot","tag-mer","tag-ocean","tag-paques-ile","tag-pillow-lava","tag-point-chaud","tag-reunion","tag-volcan","tag-volcan-sous-marin","tag-volcanologie","tag-volcanologue"],"yoast_head":"\nVid\u00e9o : les myst\u00e9rieux volcans sous-marins, 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\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Vid\u00e9o : les myst\u00e9rieux volcans sous-marins, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Les volcans sous-marins sont plus nombreux que les volcans terrestres (situ\u00e9s sur les continents) mais ils restent mal connus. Futura-Sciences a rencontr\u00e9 Jacques-Marie Bardintzeff, docteur en volcanologie, pour qu’il nous parle de ces surprenants volcans. Il existe deux grands types de volcans sous-marins : Les premiers se situent entre les plaques tectoniques (ils sont donc … Continuer la lecture de Vid\u00e9o : les myst\u00e9rieux volcans sous-marins →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/\" \/>\n<meta property=\"og:site_name\" content=\"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\" \/>\n<meta property=\"article:published_time\" content=\"2016-01-01T17:40:50+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2016-01-01T17:52:04+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2016\/01\/interview-les-mysterieux-volcans-sous-marins.png\" \/>\n\t<meta property=\"og:image:width\" content=\"860\" \/>\n\t<meta property=\"og:image:height\" content=\"483\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"jmbardintzeff\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"jmbardintzeff\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/\",\"name\":\"Vid\u00e9o : les myst\u00e9rieux volcans sous-marins, par Jacques-Marie Bardintzeff\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2016\/01\/interview-les-mysterieux-volcans-sous-marins-450x253.png\",\"datePublished\":\"2016-01-01T17:40:50+00:00\",\"dateModified\":\"2016-01-01T17:52:04+00:00\",\"author\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#\/schema\/person\/974e1e0324e3e06f08253784e8eca61e\"},\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2016\/01\/01\/video-les-mysterieux-volcans-sous-marins\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2016\/01\/interview-les-mysterieux-volcans-sous-marins.png\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2016\/01\/interview-les-mysterieux-volcans-sous-marins.png\",\"width\":860,\"height\":483},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/\",\"name\":\"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\",\"description\":\"Les volcans ? 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