{"id":466,"date":"2014-12-20T12:36:06","date_gmt":"2014-12-20T12:36:06","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=466"},"modified":"2015-03-28T15:11:53","modified_gmt":"2015-03-28T15:11:53","slug":"actualite-volcanologique-mondiale","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2014\/12\/20\/actualite-volcanologique-mondiale\/","title":{"rendered":"Actualit\u00e9 volcanologique mondiale"},"content":{"rendered":"

Les volcans du monde sont toujours tr\u00e8s actifs en cette fin d\u2019ann\u00e9e 2014.<\/p>\n

\"Bardintzeff.SAM_8696\"<\/a><\/p>\n

Intense activit\u00e9 \u00e9ruptive \u00e0 Holuhraun en Islande, photo du 11\/9\/2014 (\u00a9 J.M. Bardintzeff)<\/p>\n

\u00c0 Holuhraun en Islande, l\u2019\u00e9ruption fissurale, qui a d\u00e9but\u00e9 le 31 ao\u00fbt, se poursuit depuis plus de 3 mois. Ce serait la plus importante \u00e9ruption lavique mondiale depuis celle du Laki, \u00e9galement situ\u00e9 en Islande, en 1783\u2026 il y a plus de 230 ans.<\/p>\n


\nJ\u2019ai pu survoler la fissure \u00e9ruptive en h\u00e9licopt\u00e8re le 11 septembre 2014, comme conseiller scientifique de l\u2019\u00e9quipe du tournage du film \u00ab Terra \u00bb (r\u00e9alisateurs Yann Arthus-Bertrand et Michael Pitiot).<\/p>\n

\"Bardintzeff.SAM_8559\"<\/a><\/p>\n

La coul\u00e9e de lave coupe la riv\u00e8re J\u00f6kuls\u00e1 \u00e1 Fj\u00f6llum, photo du 11\/9\/2014 (\u00a9 J.M. Bardintzeff)<\/p>\n

Le champ de lave recouvre \u00e0 pr\u00e9sent une surface de 79,8 km2, sup\u00e9rieure \u00e0 celle de la capitale Reykjavik.
\nLa subsidence de la caldeira du volcan voisin Bardarbunga se poursuit, \u00e0 un taux plus lent cependant.
\nUn s\u00e9isme de magnitude 5,4 a \u00e9t\u00e9 enregistr\u00e9 par le Nordic Volcanological Center le 15 d\u00e9cembre et un autre de 5,3 le 17 d\u00e9cembre. Au total, 70 \u00e0 80 s\u00e9ismes sont enregistr\u00e9s chaque jour.
\nLa pollution par les gaz affecte l\u2019\u00eele au gr\u00e8s de la direction des vents dominants.<\/p>\n

\"Bardintzeff.SAM_8548\"<\/a><\/p>\n

Combat entre l\u2019eau et le feu dans la riv\u00e8re J\u00f6kuls\u00e1 \u00e1 Fj\u00f6llum, photo du 11\/9\/2014 (\u00a9 J.M. Bardintzeff)<\/p>\n

Le Fogo au Cap-Vert (archipel de 10 \u00eeles principales, situ\u00e9 dans l\u2019oc\u00e9an Atlantique \u00e0 500 km au large du S\u00e9n\u00e9gal) s\u2019est r\u00e9veill\u00e9 le 23 novembre apr\u00e8s un sommeil de 19 ans. Des flots de lave envahissent Ch\u00e3 das Caldeiras, d\u00e9truisant plusieurs villages. Heureusement, aucune victime n\u2019est \u00e0 d\u00e9plorer mais les d\u00e9g\u00e2ts mat\u00e9riels sont \u00e9normes (destructions de maisons, routes, terres agricoles, vignes et caves viticoles, etc.). 1500 personnes ont \u00e9t\u00e9 \u00e9vacu\u00e9es et 2000 autres, menac\u00e9es, le seront peut-\u00eatre aussi.<\/p>\n

Les coul\u00e9es du Kilauea \u00e0 Hawaii sont toujours mena\u00e7antes.<\/p>\n

L\u2019\u00e9ruption \u00e0 Nishinoshima au sud du Japon dure toujours depuis le 20 novembre 2013 et l\u2019\u00eele s\u2019accro\u00eet.<\/p>\n

On apprend aussi le r\u00e9veil du Gamalama en Indon\u00e9sie, du Nevado del Ruiz en Colombie\u2026
\nOn d\u00e9nombre en moyenne sur Terre, 50 \u00e9ruptions sur les continents\u2026 sans oublier les nombreux volcans sous-marins !<\/p>\n","protected":false},"excerpt":{"rendered":"

Les volcans du monde sont toujours tr\u00e8s actifs en cette fin d\u2019ann\u00e9e 2014. Intense activit\u00e9 \u00e9ruptive \u00e0 Holuhraun en Islande, photo du 11\/9\/2014 (\u00a9 J.M. Bardintzeff) \u00c0 Holuhraun en Islande, l\u2019\u00e9ruption fissurale, qui a d\u00e9but\u00e9 le 31 ao\u00fbt, se poursuit depuis plus de 3 mois. Ce serait la plus importante \u00e9ruption lavique mondiale depuis celle … Continuer la lecture de Actualit\u00e9 volcanologique mondiale<\/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":[99,115,17,114,118,107,98,116,119,117,3],"class_list":["post-466","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-bardarbunga","tag-cap-vert","tag-eruption","tag-fogo","tag-gamalama","tag-holuhraun","tag-islande","tag-kilauea","tag-nevado-del-ruiz","tag-nishinoshima","tag-volcan"],"yoast_head":"\nActualit\u00e9 volcanologique mondiale , 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\/2014\/12\/20\/actualite-volcanologique-mondiale\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Actualit\u00e9 volcanologique mondiale , par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Les volcans du monde sont toujours tr\u00e8s actifs en cette fin d\u2019ann\u00e9e 2014. Intense activit\u00e9 \u00e9ruptive \u00e0 Holuhraun en Islande, photo du 11\/9\/2014 (\u00a9 J.M. Bardintzeff) \u00c0 Holuhraun en Islande, l\u2019\u00e9ruption fissurale, qui a d\u00e9but\u00e9 le 31 ao\u00fbt, se poursuit depuis plus de 3 mois. 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