{"id":12779,"date":"2016-07-01T00:00:24","date_gmt":"2016-06-30T22:00:24","guid":{"rendered":"http:\/\/www.laterredufutur.com\/accueil\/?p=12779"},"modified":"2016-06-30T20:02:30","modified_gmt":"2016-06-30T18:02:30","slug":"le-volcan-islandais-hekla-pourrait-entrer-en-eruption-a-nimporte-quel-moment","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-islandais-hekla-pourrait-entrer-en-eruption-a-nimporte-quel-moment\/","title":{"rendered":"Le volcan islandais Hekla pourrait entrer en \u00e9ruption \u00ab\u00a0\u00e0 n\u2019importe quel moment\u00a0\u00bb ?"},"content":{"rendered":"<div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"1\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n<p style=\"text-align: justify;\">Les pr\u00e9dictions de P\u00e1ll Einarsson, un g\u00e9ophysicien, laissent \u00e0 pr\u00e9voir une \u00e9ruption imminente du volcan Hekla, l&rsquo;un des plus actifs d&rsquo;Islande. Il ne s&rsquo;est pas r\u00e9veill\u00e9 depuis 16 ans mais certains signes pourraient indiquer un r\u00e9veil proche.<\/p>\n<p style=\"text-align: justify;\">Longtemps consid\u00e9r\u00e9 comme un des volcans les plus actifs d\u2019Islande, l\u2019Hekla a \u00e9t\u00e9 surnomm\u00e9 la \u00ab\u00a0Gateway to Hell\u00a0\u00bb, litt\u00e9ralement la \u00ab\u00a0porte des enfers\u00a0\u00bb. Le crat\u00e8re a connu plusieurs \u00e9ruptions r\u00e9guli\u00e8res entre 1970 et 2000 puis s\u2019est enfin endormi.<\/p>\n<p style=\"text-align: justify;\">Cette situation est n\u00e9anmoins temporaire et pourrait bien prendre fin d\u2019ici peu. C&rsquo;est du moins ce que sugg\u00e8re P\u00e1ll Einarsson, chercheur en g\u00e9ophysique \u00e0 l&rsquo;Universit\u00e9 d\u2019Islande. Celui-ci a r\u00e9cemment mis en garde la communaut\u00e9 scientifique et le gouvernement contre les possibles r\u00e9percutions d\u2019une telle reprise d\u2019activit\u00e9.<\/p>\n<p style=\"text-align: justify;\">\u00ab\u00a0L\u2019Hekla est un volcan dangereux. Nous pourrions envisager une catastrophe majeure d\u00e8s la prochaine \u00e9ruption si nous ne faisons pas attention\u00a0\u00bb, a-t-il averti repris par le site Visir.is.<\/p>\n<p style=\"text-align: justify;\">Une pression plus \u00e9lev\u00e9e<\/p>\n<p style=\"text-align: justify;\">Ses conclusions se basent sur un relev\u00e9 de la pression relative \u00e0 l\u2019accumulation de magma \u00e0 l\u2019int\u00e9rieur du volcan. Les valeurs seraient anormalement \u00e9lev\u00e9es pour un crat\u00e8re endormi. Selon le chercheur, elles seraient m\u00eame plus importantes que lors des derni\u00e8res \u00e9ruptions du crat\u00e8re, la plus r\u00e9cente datant de f\u00e9vrier 2000.<\/p><div class=\"1665f18d14f35dd9e7566e1a8ac9a3e9\" data-index=\"2\" style=\"float: none; margin:10px 0 10px 0; text-align:center;\">\n<script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script>\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block; text-align:center;\"\r\n     data-ad-layout=\"in-article\"\r\n     data-ad-format=\"fluid\"\r\n     data-ad-client=\"ca-pub-2860849627502538\"\r\n     data-ad-slot=\"3019501113\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script>\n<\/div>\n\n<p style=\"text-align: justify;\">Une sonnette d\u2019alarme justifi\u00e9e ?<\/p>\n<p style=\"text-align: justify;\">Selon les estimations, le crat\u00e8re de 1 488 m\u00e8tres d\u2019altitude aurait produit au cours des mille derni\u00e8res ann\u00e9es l&rsquo;un des plus grands volumes de lave estim\u00e9 \u00e0 environ 8 kilom\u00e8tres cubes. Ainsi, ce n&rsquo;est pas la premi\u00e8re fois qu&rsquo;une alerte est \u00e9mise concernant une \u00e9ruption imminente de l&rsquo;Hekla. En 2011 et 2013, des soup\u00e7ons avaient d\u00e9j\u00e0 \u00e9t\u00e9 \u00e9mis.<\/p>\n<p style=\"text-align: justify;\">Toutefois, ses pr\u00e9dictions sont remises en question par certains experts dont Erik Klemetti, professeur assistant de G\u00e9osciences \u00e0 l&rsquo;Universit\u00e9 Denison. Sur Wired, le scientifique a soulign\u00e9 que si le volcan a sembl\u00e9 se r\u00e9veiller tous les dix ans depuis 1970, avant cela il \u00e9tait rest\u00e9 endormi pendant 22 ans. M\u00eame encore plus longtemps auparavant.<\/p>\n<p style=\"text-align: justify;\">Il a \u00e9galement expliqu\u00e9 que la surveillance de l&rsquo;Hekla s&rsquo;\u00e9tait accrue depuis 2000 mais que les scientifiques ne disposaient pas de solides donn\u00e9es avant cette date. Difficile donc de r\u00e9ellement connaitre les changements op\u00e9r\u00e9s par le volcan avant une \u00e9ruption. De m\u00eame, aucune activit\u00e9 sismique suspecte n&rsquo;aurait \u00e9t\u00e9 d\u00e9tect\u00e9e au cours des derniers mois sur le volcan.<\/p>\n<p>extrait et source : <a href=\"http:\/\/www.maxisciences.com\/volcan\/le-volcan-islandais-hekla-pret-a-entrer-en-eruption-a-n-importe-quel-moment_art38221.html\" target=\"_blank\">http:\/\/www.maxisciences.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"12779\">(1483)<\/p>\n<!--CusAds0-->\n<div style=\"font-size: 0px; height: 0px; line-height: 0px; margin: 0; padding: 0; clear: both;\"><\/div>","protected":false},"excerpt":{"rendered":"<p>Les pr\u00e9dictions de P\u00e1ll Einarsson, un g\u00e9ophysicien, laissent \u00e0 pr\u00e9voir une \u00e9ruption imminente du volcan Hekla, l&rsquo;un des plus actifs&#8230;<\/p>\n","protected":false},"author":1,"featured_media":12780,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"ngg_post_thumbnail":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[19],"tags":[377,5965,374,452,370,48],"class_list":["post-12779","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-cendres","tag-erik-klemetti","tag-eruption","tag-hekla","tag-islande","tag-volcan","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/06\/hekla-volcan-islande.jpg?fit=600%2C338&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-3k7","jetpack-related-posts":[{"id":384,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-katla-et-lhekla-sont-prets-a-exploser\/","url_meta":{"origin":12779,"position":0},"title":"Le Katla et l&rsquo;Hekla sont pr\u00eats \u00e0 exploser","author":"Admin","date":"21 juin 2011","format":false,"excerpt":"Apr\u00e8s l\u2019Eyjafj\u00f6ll et le Grimsv\u00f6tn, deux autres volcans islandais (le Katla et l\u2019Hekla) semblent pr\u00eats \u00e0 exploser. En se fondant sur des constatations statistiques ou g\u00e9ologiques, les scientifiques pr\u00e9disent que ces volcans et d\u2019autres vont bient\u00f4t prolonger la s\u00e9rie d\u2019\u00e9ruptions en Islande. \u00c7a gronde en terre islandaise et \u00e7a risque\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":19787,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-hekla-en-islande-met-en-etat-dalerte-les-autorites\/","url_meta":{"origin":12779,"position":1},"title":"Le volcan Hekla en Islande met en \u00e9tat d&rsquo;alerte les autorit\u00e9s","author":"Admin","date":"10 octobre 2019","format":false,"excerpt":"Six tremblements de terre ont \u00e9t\u00e9 enregistr\u00e9s autour du volcan Hekla la nuit du 8 au 9 octobre 2019, rapporte RV. Bien que ces tremblements de terre ne soient pas particuli\u00e8rement puissants, une quantit\u00e9 inhabituelle de tremblements en tr\u00e8s peu de temps a suscit\u00e9 certaines pr\u00e9occupations. Comme on peut le\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/Iceland_hekla.jpg?fit=1000%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/Iceland_hekla.jpg?fit=1000%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/Iceland_hekla.jpg?fit=1000%2C750&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/10\/Iceland_hekla.jpg?fit=1000%2C750&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":487,"url":"https:\/\/www.laterredufutur.com\/accueil\/volcanisme-islandais-catastrophe-annoncee\/","url_meta":{"origin":12779,"position":2},"title":"Le volcanisme islandais, une catastrophe annonc\u00e9e","author":"Admin","date":"18 ao\u00fbt 2011","format":false,"excerpt":"Et si l'\u00e9ruption de l'Eyjafjallaj\u00f6kull r\u00e9veillait son terrible voisin, Katla ? L'Islande est une terre volcanique tr\u00e8s active. Depuis mars 2010, le monde conna\u00eet au moins un de ses volcans. Trafic a\u00e9rien paralys\u00e9, pollution et \u00e9vacuation des habitants sont parmi les principales cons\u00e9quences connues. Ce n'est pas la premi\u00e8re fois\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"volcanisme islandais","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2011\/08\/volcanisme-islandais.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5700,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-bardarbunga-en-islande-se-reveille\/","url_meta":{"origin":12779,"position":3},"title":"Le volcan Bardarbunga en Islande se r\u00e9veille ?","author":"Admin","date":"16 f\u00e9vrier 2011","format":false,"excerpt":"Des scientifiques islandais ont averti r\u00e9cemment que le second plus haut volcan du pays, le B\u00e1rdarbunga pr\u00e9senterait les signes avant-coureurs d'une future \u00e9ruption et les nuages de cendres qu'il provoquerait alors seraient plus graves qu'en 2010, a rapport\u00e9 7 sur 7. Pall Eirnarsson, professeur de g\u00e9ophysique \u00e0 l'universit\u00e9 d'Islande, a\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":16093,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-islandais-oraefajokull-un-des-plus-puissants-deurope-pourrait-se-reveiller\/","url_meta":{"origin":12779,"position":4},"title":"Le volcan islandais \u00d6raefaj\u00f6kull, un des plus puissants d\u2019Europe, pourrait se r\u00e9veiller","author":"Admin","date":"24 janvier 2019","format":false,"excerpt":"L\u2019Islande surveille attentivement le glacier \u00d6raefaj\u00f6kull, qui abrite le plus grand volcan du pays, un des plus puissants d'Europe. Le volcan montre des signes de r\u00e9veil apr\u00e8s des si\u00e8cles de sommeil : il n'est pas entr\u00e9 en \u00e9ruption depuis 1727. Une activit\u00e9 sismique accrue s\u2019est produite dans la r\u00e9gion au\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/%C3%96raefaj%C3%B6kull.png?fit=750%2C400&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/%C3%96raefaj%C3%B6kull.png?fit=750%2C400&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/%C3%96raefaj%C3%B6kull.png?fit=750%2C400&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2017\/12\/%C3%96raefaj%C3%B6kull.png?fit=750%2C400&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":8209,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-bardarbunga-menace-de-rentrer-a-nouveau-en-eruption\/","url_meta":{"origin":12779,"position":5},"title":"Le volcan Bardarbunga menace d&rsquo;entrer \u00e0 nouveau en \u00e9ruption","author":"Admin","date":"14 septembre 2015","format":false,"excerpt":"Les g\u00e9ologues qui \u00e9tudient actuellement les donn\u00e9es du volcan Badarbunga, indiquent\u00a0que le magma pourrait s'\u00eatre accumul\u00e9\u00a0\u00e0 nouveau sous le\u00a0glacier Vatnaj\u00f6kull. L'\u00e9ruption Holuhraun, qui a eu lieu entre le 31 Ao\u00fbt 2014, et 27 F\u00e9vrier 2015, faisait partie d'une s\u00e9rie d'\u00e9v\u00e9nements qui a commenc\u00e9 sur le volcan en 1974 et pourraient\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/badarbunga.png?fit=720%2C477&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/badarbunga.png?fit=720%2C477&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/badarbunga.png?fit=720%2C477&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/badarbunga.png?fit=720%2C477&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12779","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/comments?post=12779"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12779\/revisions"}],"predecessor-version":[{"id":12781,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/12779\/revisions\/12781"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/12780"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=12779"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=12779"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=12779"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}