{"id":5287,"date":"2019-12-10T16:03:53","date_gmt":"2019-12-10T16:03:53","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=5287"},"modified":"2019-12-12T08:57:56","modified_gmt":"2019-12-12T08:57:56","slug":"white-island-nouvelle-zelande","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2019\/12\/10\/white-island-nouvelle-zelande\/","title":{"rendered":"White Island, Nouvelle-Z\u00e9lande"},"content":{"rendered":"

La Nouvelle-Z\u00e9lande fait partie de la Ceinture de Feu du Pacifique, au niveau de la subduction de la plaque Pacifique sous la plaque Indo-Australienne. Elle est constitu\u00e9e de deux \u00eeles principales, celle du sud, oblit\u00e9r\u00e9e par une grande faille coulissante, est uniquement sismique alors que celle du nord est \u00e0 la fois volcanique et sismique.<\/p>\n

White Island se situe \u00e0 une cinquantaine de kilom\u00e8tres au large, vers le nord-est, de l\u2019\u00eele nord. Il s\u2019agit d\u2019une petite \u00ab\u00a0\u00eele volcan\u00a0\u00bb d\u2019environ 2 km de diam\u00e8tre mais correspondant en fait \u00e0 la partie \u00e9merg\u00e9e (altitude 321 m) d\u2019un important \u00e9difice sous-marin de plus de 15 km de diam\u00e8tre. Elle manifeste une activit\u00e9 quasi-constante, sous la forme d\u2019un lac d\u2019acide et de fumerolles soufr\u00e9es.<\/p>\n

\"\"White Island, une \u00eele volcan (\u00a9 J.M. Bardintzeff).<\/p>\n

Un drame s\u2019est produit lundi 9 d\u00e9cembre 2019 : des touristes ont \u00e9t\u00e9 surpris par une \u00e9ruption \u00e0 composante phr\u00e9atique (explosion d\u2019eau vapeur) projetant un panache de gaz et de cendres haut de 3,6 km. Le bilan (provisoire) est lourd : on d\u00e9plore 5 morts, 8 disparus ?, une trentaine de bless\u00e9s dont certains tr\u00e8s gravement. Ce type de manifestation volcanique, tr\u00e8s locale, est, malheureusement, impr\u00e9visible. Le risque appara\u00eet triple : br\u00fblure par l\u2019eau surchauff\u00e9e, asphyxie par le m\u00e9lange eau-cendre (obstruction des voies respiratoires), choc des blocs \u00e9ject\u00e9s \u00e0 grande vitesse.<\/p>\n

J\u2019ai \u00e9t\u00e9 interview\u00e9 par Denis Sergent pour le journal \u00ab\u00a0La Croix\u00a0\u00bb\u00a0:<\/p>\n

https:\/\/www.la-croix.com\/Monde\/Asie-et-Oceanie\/Nouvelle-Zelande-cinq-morts-explosion-volcanique-sans-signe-precurseur-2019-12-09-1201065415<\/a><\/p>\n

par Olivier Philippe-Viela pour le site web de \u00ab\u00a0L\u2019Express\u00a0\u00bb\u00a0:<\/p>\n

https:\/\/www.lexpress.fr\/actualite\/societe\/environnement\/attirer-des-touristes-sans-les-mettre-en-danger-le-dilemme-du-tourisme-volcanique_2110423.html<\/a><\/p>\n

par Allan Delamotte de TF1 \/ LCI\u00a0:<\/p>\n

https:\/\/www.lci.fr\/international\/nouvelle-zelande-l-eruption-n-etait-pas-previsible-le-drame-du-volcan-ile-white-island-passe-au-crible-2140019.html<\/a><\/p>\n

par Olivier Lascar pour Sciences et Avenir\u00a0:<\/p>\n

https:\/\/www.sciencesetavenir.fr\/fondamental\/geologie\/volcan-jacques-marie-bardintzeff_139709<\/a><\/p>\n

<\/p>\n

\"\"Jacques-Marie Bardintzeff, volcanologue, \u00e0 White Island en avril 2009\u00a0: on voit, dans le crat\u00e8re, le lac d\u2019acide vert jade et les d\u00e9p\u00f4ts jaunes de soufre (\u00a9 J.M. Bardintzeff).<\/p>\n

Lire aussi l\u2019article de Julie Kern pour Futura\u00a0:<\/p>\n

https:\/\/www.futura-sciences.com\/planete\/breves\/volcan-white-island-images-spectaculaires-eruption-volcan-plus-actif-nouvelle-zelande-1652\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

La Nouvelle-Z\u00e9lande fait partie de la Ceinture de Feu du Pacifique, au niveau de la subduction de la plaque Pacifique sous la plaque Indo-Australienne. Elle est constitu\u00e9e de deux \u00eeles principales, celle du sud, oblit\u00e9r\u00e9e par une grande faille coulissante, est uniquement sismique alors que celle du nord est \u00e0 la fois volcanique et sismique. … Continuer la lecture de White Island, Nouvelle-Z\u00e9lande<\/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":[21,1803,168,1804,1805,1806,488,1807,1808,424,999,1809,1468,1810,1811,427,1812,169,1813,13,1814],"class_list":["post-5287","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-bardintzeff","tag-ceinture-de-feu","tag-cratere","tag-croix-la","tag-delamotte","tag-express-l","tag-fumerolle","tag-kern","tag-lac-acide","tag-lascar","tag-lci","tag-nouvelle-zelande","tag-pacifique","tag-philippe-viela","tag-phreatique","tag-sciences-et-avenir","tag-sergent","tag-soufre","tag-subduction","tag-volcanologue","tag-white-island"],"yoast_head":"\nWhite Island, Nouvelle-Z\u00e9lande, 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\/2019\/12\/10\/white-island-nouvelle-zelande\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"White Island, Nouvelle-Z\u00e9lande, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"La Nouvelle-Z\u00e9lande fait partie de la Ceinture de Feu du Pacifique, au niveau de la subduction de la plaque Pacifique sous la plaque Indo-Australienne. Elle est constitu\u00e9e de deux \u00eeles principales, celle du sud, oblit\u00e9r\u00e9e par une grande faille coulissante, est uniquement sismique alors que celle du nord est \u00e0 la fois volcanique et sismique. … Continuer la lecture de White Island, Nouvelle-Z\u00e9lande →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2019\/12\/10\/white-island-nouvelle-zelande\/\" \/>\n<meta property=\"og:site_name\" content=\"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\" \/>\n<meta property=\"article:published_time\" content=\"2019-12-10T16:03:53+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-12-12T08:57:56+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2019\/12\/Bardintzeff.407.White_Island.low_.s-450x338.jpg\" \/>\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\/2019\/12\/10\/white-island-nouvelle-zelande\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2019\/12\/10\/white-island-nouvelle-zelande\/\",\"name\":\"White Island, Nouvelle-Z\u00e9lande, par Jacques-Marie Bardintzeff\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2019\/12\/10\/white-island-nouvelle-zelande\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2019\/12\/10\/white-island-nouvelle-zelande\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2019\/12\/Bardintzeff.407.White_Island.low_.s-450x338.jpg\",\"datePublished\":\"2019-12-10T16:03:53+00:00\",\"dateModified\":\"2019-12-12T08:57:56+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\/2019\/12\/10\/white-island-nouvelle-zelande\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2019\/12\/10\/white-island-nouvelle-zelande\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2019\/12\/Bardintzeff.407.White_Island.low_.s.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2019\/12\/Bardintzeff.407.White_Island.low_.s.jpg\",\"width\":1417,\"height\":1063},{\"@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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