{"id":21014,"date":"2020-06-17T09:17:33","date_gmt":"2020-06-17T07:17:33","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=21014"},"modified":"2020-06-17T09:17:33","modified_gmt":"2020-06-17T07:17:33","slug":"le-volcan-grimsvotn-en-islande-montre-des-signes-dactivite-accrue-eruption-possible","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-grimsvotn-en-islande-montre-des-signes-dactivite-accrue-eruption-possible\/","title":{"rendered":"Le volcan Gr\u00edmsv\u00f6tn en Islande montre des signes d&rsquo;activit\u00e9 accrue, \u00e9ruption possible !"},"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>Grimsv\u00f6tn, un volcan situ\u00e9 dans le sud ouest de l&rsquo;Islande donne de fortes indications qu&rsquo;une \u00e9ruption peut subvenir dans \u00ab les prochaines semaines ou mois \u00bb, un r\u00e9sum\u00e9 dans le rapport du Met Office islandais. Un volcanologue avec qui Grapevine (News Islandaise) s&rsquo;est entretenu dit que si c&rsquo;est le cas, elle sera probablement plus petite que l&rsquo;\u00e9ruption de 2011.<\/p>\n<p>Le Dr Melissa Anne Pfeffer, volcanologue, fait partie d&rsquo;une \u00e9quipe de scientifiques qui \u00e9tudient r\u00e9guli\u00e8rement l&rsquo;activit\u00e9 des volcans d&rsquo;Islande, dont Gr\u00edmsv\u00f6tn. Elle a d\u00e9clar\u00e9 \u00e0 The Grapevine qu&rsquo;elle avait d\u00e9tect\u00e9 des niveaux \u00e9lev\u00e9s de gaz magmatiques qui ne sont g\u00e9n\u00e9ralement pas pr\u00e9sents lorsqu&rsquo;il n&rsquo;y a pas d&rsquo;\u00e9ruption. En outre, Gr\u00edmsv\u00f6tn conna\u00eet une inflation, indiquant une augmentation du magma.<\/p>\n<p>Comme le lac de Gr\u00edmsv\u00f6tn est drain\u00e9 pendant l&rsquo;\u00e9t\u00e9, cela signifie qu&rsquo;il y a moins de pression sur le volcan. Compte tenu des conditions actuelles, lorsque les inondations commenceront cet \u00e9t\u00e9, les pr\u00e9paratifs d&rsquo;une \u00e9ruption commenceront. Cela peut arriver dans les semaines ou les mois \u00e0 venir.<\/p>\n<p>Cela dit, les volcans sont toujours des ph\u00e9nom\u00e8nes mercuriels et impr\u00e9visibles. Les inondations glaciaires ne conduisent pas n\u00e9cessairement \u00e0 une \u00e9ruption. Si c&rsquo;est le cas, Melissa dit que les scientifiques s&rsquo;attendent \u00e0 ce que cette \u00e9ruption soit plus petite que celle de 2011.<\/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>Quant au type d&rsquo;\u00e9ruption que cela pourrait \u00eatre, cela d\u00e9pend de facteurs : s&rsquo;il explose \u00e0 travers la calotte glaciaire, alors ce sera probablement une \u00e9ruption de cendres, mais si le magma parvient \u00e0 s&rsquo;\u00e9loigner de la calotte glaciaire &#8211; comme l&rsquo;\u00e9ruption \u00e0 Holuhraun l&rsquo;a fait &#8211; que ce pourrait \u00eatre une \u00e9ruption de lave.<\/p>\n<p><span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/na5UwZo-BVE?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=fr-FR&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span><\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\" rel=\"noopener noreferrer\">Terra Projects<\/a><\/p>\n<p>source : <a href=\"https:\/\/grapevine.is\/news\/2020\/06\/15\/grimsvotn-volcano-showing-signs-of-increased-activity-eruption-possible\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/grapevine.is\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"21014\">(878)<\/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>Grimsv\u00f6tn, un volcan situ\u00e9 dans le sud ouest de l&rsquo;Islande donne de fortes indications qu&rsquo;une \u00e9ruption peut subvenir dans \u00ab&#8230;<\/p>\n","protected":false},"author":1,"featured_media":21015,"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_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":"Le #volcan #Gr\u00edmsv\u00f6tn en #Islande montre des signes d'activit\u00e9 accrue, #\u00e9ruption possible ! @laterredufutur.com Terra Projects","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},"jetpack_post_was_ever_published":false},"categories":[19],"tags":[374,371,370,48],"class_list":["post-21014","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-eruption","tag-grimsvotn","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\/2020\/06\/grimsvotn-volcan.jpg?fit=1800%2C1125&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-5sW","jetpack-related-posts":[{"id":338,"url":"https:\/\/www.laterredufutur.com\/accueil\/eruption-du-grimsvoetn-en-islande\/","url_meta":{"origin":21014,"position":0},"title":"Eruption du Gr\u00edmsv\u00f6tn en Islande","author":"Admin","date":"24 mai 2011","format":false,"excerpt":"Le volcan islandais Grimsv\u00f6tn continue de cracher des cendres.\u00a0Ce 23 mai 2011 au matin, la capitale Reykajavic s\u2019est r\u00e9veill\u00e9e sous les cendres. Le panache s\u2019est \u00e9tendu \u00e0 400 kilom\u00e8tres du crat\u00e8re. Pour autant, pas de fermeture partielle de l\u2019espace a\u00e9rien europ\u00e9en en vue comme en 2010. Le volcan Grimsv\u00f6tn entr\u00e9\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":21473,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-puissant-volcan-islandais-grimsvotn-semble-se-preparer-a-une-nouvelle-eruption\/","url_meta":{"origin":21014,"position":1},"title":"Le puissant Volcan islandais Gr\u00edmsv\u00f6tn semble se pr\u00e9parer \u00e0 une nouvelle \u00e9ruption","author":"Admin","date":"12 octobre 2020","format":false,"excerpt":"Le volcan islandais Gr\u00edmsv\u00f6tn qui est recouvert de glace a produit une\u00a0\u00e9ruption\u00a0exceptionnellement importante et\u00a0puissante en 2011, envoyant des cendres \u00e0 20 kilom\u00e8tres dans l'atmosph\u00e8re, avait provoqu\u00e9 l'annulation d'environ 900 vols.\u00a0En comparaison, l'\u00e9ruption beaucoup plus petite d'Eyjafjallaj\u00f6kull en\u00a02010 avait\u00a0entra\u00een\u00e9 l'annulation d'environ 100 000 vols. Mais il y a des signes \u00e9vidents\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\/2020\/06\/grimsvotn-volcan.jpg?fit=1200%2C750&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/grimsvotn-volcan.jpg?fit=1200%2C750&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/grimsvotn-volcan.jpg?fit=1200%2C750&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/grimsvotn-volcan.jpg?fit=1200%2C750&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/grimsvotn-volcan.jpg?fit=1200%2C750&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":8719,"url":"https:\/\/www.laterredufutur.com\/accueil\/deformation-glaciaire-du-volcan-islandais-grimsvotn\/","url_meta":{"origin":21014,"position":2},"title":"D\u00e9formation glaciaire du volcan islandais Grimsvotn","author":"Admin","date":"13 octobre 2015","format":false,"excerpt":"Voici des photos du\u00a0\"chaudron\" ou du\u00a0trou dans le\u00a0glacier Vatnaj\u00f6kull lors d'un d\u00e9gel glaciaire\u00a0en\u00a0Islande. - Ceci\u00a0a \u00e9t\u00e9 d\u00e9tect\u00e9 dans le \"chaudron\" situ\u00e9 tr\u00e8s pr\u00e8s du volcan Grimsvotn, formant un trou glaciaire sur le glacier Vatnajokull en\u00a0Islande se creusent rapidement. Le 26 Septembre, une station GPS a \u00e9t\u00e9 plac\u00e9e au\u00a0centre du \"chaudron\"\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\/10\/effondrement-glaciaire-volcanique-islande2.jpg?fit=960%2C640&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/effondrement-glaciaire-volcanique-islande2.jpg?fit=960%2C640&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/effondrement-glaciaire-volcanique-islande2.jpg?fit=960%2C640&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/10\/effondrement-glaciaire-volcanique-islande2.jpg?fit=960%2C640&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":384,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-katla-et-lhekla-sont-prets-a-exploser\/","url_meta":{"origin":21014,"position":3},"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":21046,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-nord-de-lislande-frappe-par-un-intense-essaim-de-plus-de-1-500-tremblements-de-terre\/","url_meta":{"origin":21014,"position":4},"title":"Le nord de l&rsquo;Islande frapp\u00e9 par un intense essaim de plus de 1 500 tremblements de terre","author":"Admin","date":"21 juin 2020","format":false,"excerpt":"Un essaim sismique intense avec des tremblements de terre de M5,7 et M5,4 secoue actuellement les villes et villages du nord de l'Islande. Pendant ce temps, les responsables ont des preuves que le volcan Gr\u00edmsv\u00f6tn se pr\u00e9pare pour la prochaine \u00e9ruption plus au sud ... L'Islande est tr\u00e8s g\u00e9ologiquement active\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\/2020\/06\/seismes-juin2020-islande-1.jpg?fit=1000%2C563&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/seismes-juin2020-islande-1.jpg?fit=1000%2C563&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/seismes-juin2020-islande-1.jpg?fit=1000%2C563&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2020\/06\/seismes-juin2020-islande-1.jpg?fit=1000%2C563&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":487,"url":"https:\/\/www.laterredufutur.com\/accueil\/volcanisme-islandais-catastrophe-annoncee\/","url_meta":{"origin":21014,"position":5},"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":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21014","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=21014"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21014\/revisions"}],"predecessor-version":[{"id":21016,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/21014\/revisions\/21016"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/21015"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=21014"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=21014"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=21014"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}