{"id":505,"date":"2015-02-17T08:38:09","date_gmt":"2015-02-17T08:38:09","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=505"},"modified":"2015-03-28T15:07:42","modified_gmt":"2015-03-28T15:07:42","slug":"quelques-nouvelles-volcanologiques-de-la-planete","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/","title":{"rendered":"Quelques nouvelles volcanologiques de la plan\u00e8te"},"content":{"rendered":"

Holuhraun, Islande<\/strong><\/p>\n

L\u2019\u00e9ruption, qui a commenc\u00e9 le 31 ao\u00fbt 2014, continue plus de cinq mois apr\u00e8s. L\u2019intensit\u00e9 a, certes, diminu\u00e9 depuis le d\u00e9but mais la fissure reste bien active. Elle mesure 400 m de long, 100 m de large et elle a \u00e9difi\u00e9 des remparts lat\u00e9raux hauts de 100 m.<\/p>\n

98 s\u00e9ismes (50 < magnitude 1, 44 entre 1 et 2, 2 entre 2 et 3 et 2 entre 3 et 4) se sont produits lors des derni\u00e8res 48 heures. Mais le dernier s\u00e9isme d\u2019une magnitude sup\u00e9rieure \u00e0 5 remonte au 8 janvier.<\/p>\n

La pollution par le dioxyde de soufre (SO2<\/sub>) est significative. 8,3 millions de tonnes ont d\u00e9j\u00e0 \u00e9t\u00e9 \u00e9mises. La fonte des neiges, acides \u00e0 cause de l\u2019\u00e9ruption, va aussi avoir un impact.<\/p>\n

contact\u00a0: Volcanological Nordic Center<\/p>\n

\"Bardintzeff.SAM_8616.s\"<\/a><\/p>\n

L\u2019\u00e9ruption fissurale d\u2019Holuhraun en septembre 2014 (\u00a9 J.M. Bardintzeff).<\/p>\n

<\/p>\n

Fogo, Cap-Vert<\/strong><\/p>\n

L\u2019\u00e9ruption du Fogo qui a d\u00e9but\u00e9 le 23 novembre 2014 s\u2019est termin\u00e9e le 7 f\u00e9vrier, soit 77 jours d\u2019\u00e9ruption (dur\u00e9e du m\u00eame ordre que les \u00e9ruptions pr\u00e9c\u00e9dentes de 1995 et de 1951). Plus aucune \u00e9mission de SO2<\/sub> n\u2019est d\u00e9tect\u00e9e. Les coul\u00e9es de lave ont recouvert deux villages et laisser 1400 personnes sans abris.<\/p>\n

contact\u00a0: Universit\u00e9 du Cap-Vert et de Institut Volcanologique des Canaries<\/p>\n

\"Bardintzeff.SAM_0693.s\"<\/a><\/p>\n

Le Fogo en \u00e9ruption en janvier 2015 (\u00a9 J.M. Bardintzeff).<\/p>\n

Piton de la Fournaise, R\u00e9union<\/strong><\/p>\n

Une \u00e9ruption s\u2019est d\u00e9roul\u00e9e du 4 au 15 f\u00e9vrier 2015. Une fissure de 500 m de long s\u2019est ouverte dans la caldeira de l\u2019Enclos, pr\u00e8s du crat\u00e8re Bory. Elle a \u00e9mis des coul\u00e9es de lave. Puis seule une bouche est rest\u00e9e active alors que le tremor (\u00ab\u00a0agitation sismique\u00a0\u00bb) \u00e9tait faible et quasi constant.<\/p>\n

Les derni\u00e8res \u00e9ruptions de ce volcan remontaient au 21 juin 2014 (dur\u00e9e de moins de 24 heures) et \u00e0 3 \u00e9ruptions au cours de l\u2019ann\u00e9e 2010.<\/p>\n

contact\u00a0: Observatoire volcanologique du piton de la Fournaise<\/p>\n

\"Bardintzeff.REU<\/a><\/p>\n

Le piton de la Fournaise en \u00e9ruption en avril 1998 (\u00a9 J.M. Bardintzeff).<\/p>\n

D\u2019autres volcans sont actifs\u00a0: le Sinabung en Indon\u00e9sie \u00e9met toujours des nu\u00e9es ardentes, le Chikurachki s\u2019est r\u00e9veill\u00e9 aux \u00eeles Kouriles\u2026<\/p>\n","protected":false},"excerpt":{"rendered":"

Holuhraun, Islande L\u2019\u00e9ruption, qui a commenc\u00e9 le 31 ao\u00fbt 2014, continue plus de cinq mois apr\u00e8s. L\u2019intensit\u00e9 a, certes, diminu\u00e9 depuis le d\u00e9but mais la fissure reste bien active. Elle mesure 400 m de long, 100 m de large et elle a \u00e9difi\u00e9 des remparts lat\u00e9raux hauts de 100 m. 98 s\u00e9ismes (50 < magnitude … Continuer la lecture de Quelques nouvelles volcanologiques de la plan\u00e8te<\/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":[115,128,17,114,107,98,125,126,127,3],"class_list":["post-505","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-cap-vert","tag-chikurachki","tag-eruption","tag-fogo","tag-holuhraun","tag-islande","tag-piton-de-la-fournaise","tag-reunion-ile","tag-sinabung","tag-volcan"],"yoast_head":"\nQuelques nouvelles volcanologiques de la plan\u00e8te , 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\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quelques nouvelles volcanologiques de la plan\u00e8te , par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Holuhraun, Islande L\u2019\u00e9ruption, qui a commenc\u00e9 le 31 ao\u00fbt 2014, continue plus de cinq mois apr\u00e8s. 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Elle mesure 400 m de long, 100 m de large et elle a \u00e9difi\u00e9 des remparts lat\u00e9raux hauts de 100 m. 98 s\u00e9ismes (50 < magnitude … Continuer la lecture de Quelques nouvelles volcanologiques de la plan\u00e8te →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/\" \/>\n<meta property=\"og:site_name\" content=\"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\" \/>\n<meta property=\"article:published_time\" content=\"2015-02-17T08:38:09+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2015-03-28T15:07:42+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2015\/02\/Bardintzeff.SAM_8616.s.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1701\" \/>\n\t<meta property=\"og:image:height\" content=\"1276\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\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=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/\",\"name\":\"Quelques nouvelles volcanologiques de la plan\u00e8te , par Jacques-Marie Bardintzeff\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2015\/02\/Bardintzeff.SAM_8616.s-450x337.jpg\",\"datePublished\":\"2015-02-17T08:38:09+00:00\",\"dateModified\":\"2015-03-28T15:07:42+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\/2015\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2015\/02\/17\/quelques-nouvelles-volcanologiques-de-la-planete\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2015\/02\/Bardintzeff.SAM_8616.s.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2015\/02\/Bardintzeff.SAM_8616.s.jpg\",\"width\":1701,\"height\":1276},{\"@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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