{"id":6967,"date":"2021-08-15T11:14:38","date_gmt":"2021-08-15T11:14:38","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=6967"},"modified":"2021-08-16T08:59:03","modified_gmt":"2021-08-16T08:59:03","slug":"barrage-de-terre-contre-coulee-de-lave-en-islande","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/","title":{"rendered":"Barrage de terre contre coul\u00e9e de lave en Islande"},"content":{"rendered":"

Lors de l\u2019\u00e9ruption actuelle de Fagradalsfjall – Geldingadalir, Islande (voir mon blog de juillet-ao\u00fbt 2021), plusieurs barrages de terre ont \u00e9t\u00e9 \u00e9difi\u00e9s, pour tenter de ralentir (stopper\u00a0?) les coul\u00e9es de lave. Mais la lave a, pour l\u2019instant, le dernier mot.<\/p>\n

\"\"Barri\u00e8re de terre construite pour limiter la progression des coul\u00e9es de lave, dans la vall\u00e9e N\u00e1tthagi, lors de l\u2019\u00e9ruption actuelle de Fagradalsfjall – Geldingadalir, Islande\u00a0; photo du 2\/6\/2021 (\u00a9 J.M. Bardintzeff).<\/p>\n

<\/p>\n

\"\"Barri\u00e8re de terre, vall\u00e9e N\u00e1tthagi, \u00e9ruption actuelle de Fagradalsfjall – Geldingadalir, Islande\u00a0; photo du 1\/6\/2021 (\u00a9 J.M. Bardintzeff).<\/p>\n

De telles tentatives ont d\u00e9j\u00e0 eu lieu dans le pass\u00e9, par exemple sur l\u2019Etna \u00e0 plusieurs reprises ainsi qu\u2019\u00e0 Heimaey, Islande, en 1973 (voir mon livre \u00ab\u00a0Volcanologie\u00a0\u00bb, 6e<\/sup> \u00e9dition, Dunod, 2021).<\/p>\n","protected":false},"excerpt":{"rendered":"

Lors de l\u2019\u00e9ruption actuelle de Fagradalsfjall – Geldingadalir, Islande (voir mon blog de juillet-ao\u00fbt 2021), plusieurs barrages de terre ont \u00e9t\u00e9 \u00e9difi\u00e9s, pour tenter de ralentir (stopper\u00a0?) les coul\u00e9es de lave. Mais la lave a, pour l\u2019instant, le dernier mot. Barri\u00e8re de terre construite pour limiter la progression des coul\u00e9es de lave, dans la vall\u00e9e … Continuer la lecture de Barrage de terre contre coul\u00e9e de lave en Islande<\/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":[6,8],"tags":[2360,86,17,2325,2326,2296,98,350],"class_list":["post-6967","post","type-post","status-publish","format-standard","hentry","category-actualites","category-voyages","tag-barrage","tag-coulee-de-lave","tag-eruption","tag-fagradalsfjall","tag-geldingadalir","tag-geldingadalur","tag-islande","tag-lave"],"yoast_head":"\nBarrage de terre contre coul\u00e9e de lave en Islande, 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\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Barrage de terre contre coul\u00e9e de lave en Islande, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Lors de l\u2019\u00e9ruption actuelle de Fagradalsfjall – Geldingadalir, Islande (voir mon blog de juillet-ao\u00fbt 2021), plusieurs barrages de terre ont \u00e9t\u00e9 \u00e9difi\u00e9s, pour tenter de ralentir (stopper\u00a0?) les coul\u00e9es de lave. 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Barri\u00e8re de terre construite pour limiter la progression des coul\u00e9es de lave, dans la vall\u00e9e … Continuer la lecture de Barrage de terre contre coul\u00e9e de lave en Islande →\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/\" \/>\n<meta property=\"og:site_name\" content=\"VOLCANMANIA : le blog de Jacques-Marie BARDINTZEFF, volcanologue\" \/>\n<meta property=\"article:published_time\" content=\"2021-08-15T11:14:38+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-08-16T08:59:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2021\/08\/20210602_174239.barriere_terrelow.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=\"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\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/\",\"name\":\"Barrage de terre contre coul\u00e9e de lave en Islande, par Jacques-Marie Bardintzeff\",\"isPartOf\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2021\/08\/20210602_174239.barriere_terrelow.s-450x338.jpg\",\"datePublished\":\"2021-08-15T11:14:38+00:00\",\"dateModified\":\"2021-08-16T08:59:03+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\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"fr-FR\",\"@id\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2021\/08\/15\/barrage-de-terre-contre-coulee-de-lave-en-islande\/#primaryimage\",\"url\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2021\/08\/20210602_174239.barriere_terrelow.s.jpg\",\"contentUrl\":\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2021\/08\/20210602_174239.barriere_terrelow.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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