{"id":4142,"date":"2019-01-06T11:09:37","date_gmt":"2019-01-06T11:09:37","guid":{"rendered":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/?p=4142"},"modified":"2019-01-06T11:21:28","modified_gmt":"2019-01-06T11:21:28","slug":"izalco-salvador","status":"publish","type":"post","link":"https:\/\/blogs.futura-sciences.com\/bardintzeff\/2019\/01\/06\/izalco-salvador\/","title":{"rendered":"Izalco, Salvador"},"content":{"rendered":"

Le volcan Izalco est n\u00e9 en 1770 sur le flanc sud du Santa Ana (voir mon blog du 5\/1\/2019). Il revendique donc le titre de plus jeune volcan du Salvador. Son c\u00f4ne parfait, haut de 650 m\u00e8tres, culmine \u00e0 1950 m\u00e8tres. Quelques fumerolles sortent de son sommet occup\u00e9 par un crat\u00e8re de 250 m\u00e8tres de diam\u00e8tre en grande partie obstru\u00e9. Longtemps actif, il fut surnomm\u00e9 \u00ab\u00a0le phare du Pacifique\u00a0\u00bb. Sa derni\u00e8re \u00e9ruption date de 1966.<\/p>\n

\"\"<\/p>\n

Le c\u00f4ne volcanique parfait de l\u2019Izalco, le Cerro Verde ancien et bois\u00e9, et le lac de la caldeira Coatepeque en arri\u00e8re-plan (\u00a9 J.M. Bardintzeff).<\/p>\n

<\/p>\n

Des affinit\u00e9s g\u00e9ochimiques diff\u00e9rentes, lors d\u2019\u00e9ruptions quasi synchrones, prouveraient que le Santa Ana et l\u2019Izalco, bien que distants l\u2019un de l\u2019autre de 4 kilom\u00e8tres seulement, ne sont pas aliment\u00e9s par le m\u00eame r\u00e9servoir magmatique.<\/p>\n","protected":false},"excerpt":{"rendered":"

Le volcan Izalco est n\u00e9 en 1770 sur le flanc sud du Santa Ana (voir mon blog du 5\/1\/2019). Il revendique donc le titre de plus jeune volcan du Salvador. Son c\u00f4ne parfait, haut de 650 m\u00e8tres, culmine \u00e0 1950 m\u00e8tres. Quelques fumerolles sortent de son sommet occup\u00e9 par un crat\u00e8re de 250 m\u00e8tres de … Continuer la lecture de Izalco, Salvador<\/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":[343,1423,1424,294,168,1194,1195,1422],"class_list":["post-4142","post","type-post","status-publish","format-standard","hentry","category-actualites","category-voyages","tag-caldeira","tag-cerro-verde","tag-coatepeque","tag-cone-volcanique","tag-cratere","tag-izalco","tag-salvador","tag-santa-ana"],"yoast_head":"\nIzalco, Salvador, 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\/01\/06\/izalco-salvador\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Izalco, Salvador, par Jacques-Marie Bardintzeff\" \/>\n<meta property=\"og:description\" content=\"Le volcan Izalco est n\u00e9 en 1770 sur le flanc sud du Santa Ana (voir mon blog du 5\/1\/2019). Il revendique donc le titre de plus jeune volcan du Salvador. Son c\u00f4ne parfait, haut de 650 m\u00e8tres, culmine \u00e0 1950 m\u00e8tres. 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