{"id":3505,"date":"2018-04-13T07:52:25","date_gmt":"2018-04-13T07:52:25","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=3505"},"modified":"2018-04-13T12:18:51","modified_gmt":"2018-04-13T12:18:51","slug":"quotidien-letna-glisse","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2018\/04\/13\/quotidien-letna-glisse\/","title":{"rendered":"\u00ab Mon Quotidien \u00bb : L\u2019Etna glisse !"},"content":{"rendered":"

Le journal Mon Quotidien n\u00b0 6470 du 10 avril 2018, fait la part belle \u00e0 l\u2019Etna sur plusieurs pages. En page 3, je r\u00e9ponds \u00e0 Caroline Hall\u00e9 \u00e0 propos du glissement de l\u2019\u00e9difice dans son ensemble (instabilit\u00e9s).<\/p>\n

\"\"<\/p>\n

“L\u2019Etna bouge \u00e0 chaque \u00e9ruption”, explications du volcanologue Jacques-Marie Bardintzeff, entretien avec Caroline Hall\u00e9.<\/p>\n

\u00ab\u2009L\u2019Etna bouge \u00e0 chaque \u00e9ruption\u2009\u00bb<\/p>\n

Gr\u00e2ce \u00e0 des capteurs install\u00e9s sur le volcan pendant 11 ans, des experts ont d\u00e9couvert que l\u2019Etna glisse vers la mer de 14 mm par an\u00a0! Un jour, il risque de s\u2019effondrer. Or, 1 million de personnes vivent pr\u00e8s de lui… Explications du volcanologue Jacques-Marie Bardintzeff.<\/p>\n

Pente. \u00abComme beaucoup de volcans, l\u2019Etna bouge \u00e0 chaque \u00e9ruption. Sa hauteur varie et le volcan se dilate horizontalement, notamment \u00e0 cause de sa chambre magmatique (lire p. 2<\/em>) qui gonfle et d\u00e9gonfle. Mais son d\u00e9placement vers la mer n\u2019avait jamais \u00e9t\u00e9 mesur\u00e9 avec pr\u00e9cision. Il s\u2019explique en partie par le fait que l\u2019Etna est situ\u00e9 sur un terrain l\u00e9g\u00e8rement en pente. Ce mouvement, lent, est impossible \u00e0 stopper.\u00bb<\/p>\n

Danger. \u00abParfois, les flancs de l\u2019Etna se fissurent \u00e0 basse altitude et de la lave ou des cendres s\u2019\u00e9chappent. Il y a alors un r\u00e9el danger pour les villages situ\u00e9s en contrebas.\u00bb<\/p>\n

\u00c9boulement. \u00abLes volcans se d\u00e9pla\u00e7ant ainsi ont tendance \u00e0 s\u2019effondrer du c\u00f4t\u00e9 de la partie basse de la pente. Il suffit que le volcan bouge beaucoup, d\u2019un coup, pour qu\u2019un \u00e9boulement entra\u00eene un glissement de terrain et d\u00e9truise un village. Et, c\u00f4t\u00e9 mer, il y a un risque de raz de mar\u00e9e\u2026\u00bb. C. Hall\u00e9<\/p>\n

<\/p>\n

Les r\u00e9sultats scientifiques ont \u00e9t\u00e9 publi\u00e9s dans l\u2019article\u00a0:<\/p>\n

Murray J.B., van Wyk de Vries B., Pitty A., Sargent P., Wooller L. (2018) Gravitational sliding of the Mt. Etna massif along a sloping basement. Bulletin of Volcanology, 80, 40.<\/p>\n

www.bbc.com\/news\/science-environment-43522169<\/a><\/p>\n

https:\/\/link.springer.com\/article\/10.1007\/s00445-018-1209-1\/fulltext.html<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Le journal Mon Quotidien n\u00b0 6470 du 10 avril 2018, fait la part belle \u00e0 l\u2019Etna sur plusieurs pages. En page 3, je r\u00e9ponds \u00e0 Caroline Hall\u00e9 \u00e0 propos du glissement de l\u2019\u00e9difice dans son ensemble (instabilit\u00e9s). “L\u2019Etna bouge \u00e0 chaque \u00e9ruption”, explications du volcanologue Jacques-Marie Bardintzeff, entretien avec Caroline Hall\u00e9. \u00ab\u2009L\u2019Etna bouge \u00e0 chaque … Continuer la lecture de \u00ab Mon Quotidien \u00bb : L\u2019Etna glisse !<\/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":[21,18,1204,695,1205,1206,3,13],"class_list":["post-3505","post","type-post","status-publish","format-standard","hentry","category-actualites","tag-bardintzeff","tag-etna","tag-halle","tag-instabilite","tag-mon-quotidien","tag-murray","tag-volcan","tag-volcanologue"],"yoast_head":"\n\u00ab Mon Quotidien \u00bb : L\u2019Etna glisse !, 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\/2018\/04\/13\/quotidien-letna-glisse\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u00ab Mon Quotidien \u00bb : L\u2019Etna glisse !, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Le journal Mon Quotidien n\u00b0 6470 du 10 avril 2018, fait la part belle \u00e0 l\u2019Etna sur plusieurs pages. En page 3, je r\u00e9ponds \u00e0 Caroline Hall\u00e9 \u00e0 propos du glissement de l\u2019\u00e9difice dans son ensemble (instabilit\u00e9s). “L\u2019Etna bouge \u00e0 chaque \u00e9ruption”, explications du volcanologue Jacques-Marie Bardintzeff, entretien avec Caroline Hall\u00e9. \u00ab\u2009L\u2019Etna bouge \u00e0 chaque … Continuer la lecture de \u00ab Mon Quotidien \u00bb : L\u2019Etna glisse ! →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2018\/04\/13\/quotidien-letna-glisse\/\" \/>\n<meta property=\"og:site_name\" content=\"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\" \/>\n<meta property=\"article:published_time\" content=\"2018-04-13T07:52:25+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-04-13T12:18:51+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2018\/04\/Bardintzeff.A_2018.04.10.Mon_Quotidien.Etna_-356x450.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\/2018\/04\/13\/quotidien-letna-glisse\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2018\/04\/13\/quotidien-letna-glisse\/\",\"name\":\"\u00ab Mon Quotidien \u00bb : L\u2019Etna glisse !, par Jacques-Marie Bardintzeff\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2018\/04\/13\/quotidien-letna-glisse\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2018\/04\/13\/quotidien-letna-glisse\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2018\/04\/Bardintzeff.A_2018.04.10.Mon_Quotidien.Etna_-356x450.jpg\",\"datePublished\":\"2018-04-13T07:52:25+00:00\",\"dateModified\":\"2018-04-13T12:18:51+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\/2018\/04\/13\/quotidien-letna-glisse\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2018\/04\/13\/quotidien-letna-glisse\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2018\/04\/Bardintzeff.A_2018.04.10.Mon_Quotidien.Etna_.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2018\/04\/Bardintzeff.A_2018.04.10.Mon_Quotidien.Etna_.jpg\",\"width\":935,\"height\":1181},{\"@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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