{"id":9173,"date":"2023-06-19T07:16:17","date_gmt":"2023-06-19T07:16:17","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=9173"},"modified":"2023-06-19T07:20:38","modified_gmt":"2023-06-19T07:20:38","slug":"la-fissure-du-laki","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2023\/06\/19\/la-fissure-du-laki\/","title":{"rendered":"La fissure du Laki"},"content":{"rendered":"<p>L\u2019immense fissure du Laki (Lakag\u00edgar) balafre le paysage, dans la partie sud de l\u2019Islande. Elle ressemble \u00e0 une cicatrice mal referm\u00e9e, encore toute boursoufl\u00e9e. Il faut dire qu\u2019elle r\u00e9sulte de la plus importante \u00e9ruption lavique historique\u00a0!<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9177\" src=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121051.Lakilow.s-450x338.jpg\" alt=\"\" width=\"450\" height=\"338\" srcset=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121051.Lakilow.s-450x338.jpg 450w, https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121051.Lakilow.s-1024x768.jpg 1024w, https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121051.Lakilow.s-768x576.jpg 768w, https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121051.Lakilow.s.jpg 1417w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>La fissure \u00e9ruptive du Laki dans la partie sud de l\u2019Islande, 19 juillet 2021 (\u00a9 J.M. Bardintzeff).<\/p>\n<p><!--more--><\/p>\n<p>Voici ce que j\u2019\u00e9cris dans mon livre \u00ab\u00a0Volcanologie\u00a0\u00bb (6<sup>e<\/sup> \u00e9dition, Dunod, 2021)\u00a0: Cette \u00e9ruption dura 9 mois, du 8 juin 1783 au 7 f\u00e9vrier 1784. La Terre s\u2019ouvrit en une gigantesque fissure, de 25\u00a0km de longueur, o\u00f9 l&#8217;on compte encore aujourd\u2019hui 115 crat\u00e8res\u00a0; les coul\u00e9es de lave progress\u00e8rent sur 60\u00a0km et, au total, 14,7\u00a0\u00b1\u00a01 km<sup>3<\/sup> de lave se d\u00e9vers\u00e8rent et recouvrirent 565 km<sup>2<\/sup>. En outre, 0,4 km<sup>3<\/sup> (DRE = Dense Rock Equivalent) de tephra (cendres\u00a0; bombes, etc.) fut \u00e9ject\u00e9.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-medium wp-image-9182\" src=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121056.Lakilow.s-450x338.jpg\" alt=\"\" width=\"450\" height=\"338\" srcset=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121056.Lakilow.s-450x338.jpg 450w, https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121056.Lakilow.s-1024x768.jpg 1024w, https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121056.Lakilow.s-768x576.jpg 768w, https:\/\/blogs.futura-sciences.com\/bardintzeff\/wp-content\/uploads\/sites\/3\/2023\/06\/Bardintzeff.20210719_121056.Lakilow.s.jpg 1417w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><\/p>\n<p>La fissure du Laki en Islande (\u00a9 J.M. Bardintzeff).<\/p>\n<p>Voir mon blog du 15\/4\/2023\u00a0:<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2023\/04\/15\/film-islande-meconnue-episode-1-le-laki\/\">https:\/\/blogs.futura-sciences.com\/bardintzeff\/2023\/04\/15\/film-islande-meconnue-episode-1-le-laki\/<\/a><\/p>\n<p>et du 1\/6\/2023\u00a0:<\/p>\n<p><a href=\"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2023\/06\/01\/les-mousses-du-laki\/\">https:\/\/blogs.futura-sciences.com\/bardintzeff\/2023\/06\/01\/les-mousses-du-laki\/<\/a><\/p>\n<!-- AddThis Advanced Settings generic via filter on the_content --><!-- AddThis Share Buttons generic via filter on the_content -->","protected":false},"excerpt":{"rendered":"<p>L\u2019immense fissure du Laki (Lakag\u00edgar) balafre le paysage, dans la partie sud de l\u2019Islande. Elle ressemble \u00e0 une cicatrice mal referm\u00e9e, encore toute boursoufl\u00e9e. Il faut dire qu\u2019elle r\u00e9sulte de la plus importante \u00e9ruption lavique historique\u00a0! La fissure \u00e9ruptive du Laki dans la partie sud de l\u2019Islande, 19 juillet 2021 (\u00a9 J.M. Bardintzeff).<!-- AddThis Advanced Settings generic via filter on get_the_excerpt --><!-- AddThis Share Buttons generic via filter on get_the_excerpt --><\/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":[8],"tags":[98,2776,2723],"class_list":["post-9173","post","type-post","status-publish","format-standard","hentry","category-voyages","tag-islande","tag-lakagigar","tag-laki"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>La fissure du Laki, 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\/2023\/06\/19\/la-fissure-du-laki\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"La fissure du Laki, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"L\u2019immense fissure du Laki (Lakag\u00edgar) balafre le paysage, dans la partie sud de l\u2019Islande. Elle ressemble \u00e0 une cicatrice mal referm\u00e9e, encore toute boursoufl\u00e9e. Il faut dire qu\u2019elle r\u00e9sulte de la plus importante \u00e9ruption lavique historique\u00a0! La fissure \u00e9ruptive du Laki dans la partie sud de l\u2019Islande, 19 juillet 2021 (\u00a9 J.M. 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