{"id":24890,"date":"2023-04-19T07:46:25","date_gmt":"2023-04-19T06:46:25","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=24890"},"modified":"2023-04-19T07:46:25","modified_gmt":"2023-04-19T06:46:25","slug":"decouverte-dun-trou-dans-locean-qui-pourrait-provoquer-un-seisme-de-magnitude-9","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/decouverte-dun-trou-dans-locean-qui-pourrait-provoquer-un-seisme-de-magnitude-9\/","title":{"rendered":"D\u00e9couverte d&rsquo;un trou dans l&rsquo;oc\u00e9an qui pourrait provoquer un s\u00e9isme de magnitude 9"},"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>Des scientifiques ont d\u00e9couvert qu\u2019un trou au fond de l\u2019oc\u00e9an, situ\u00e9 au large de Newport, dans l\u2019Oregon, aux \u00c9tats-Unis, laissait \u00e9chapper un \u00e9trange liquide. Le trou a \u00e9t\u00e9 baptis\u00e9 \u201cOasis de Pythie\u201d dans une \u00e9tude publi\u00e9e le 25 janvier. Ce \u201clubrifiant\u201d est cens\u00e9 r\u00e9guler la tension d\u2019une faille instable dans la r\u00e9gion.<\/p>\n<p>Des scientifiques de l\u2019Universit\u00e9 de Washington annoncent la dispersion de liquide chaud dans le fond de l\u2019Oc\u00e9an Pacifique, le long de la faille de Cascadia qui longe le continent am\u00e9ricain, de l\u2019\u00eele de Vancouver au nord de la Californie.<\/p>\n<p>Si des sources chaudes existent partout dans le monde, ces \u00e9chappements de fluides chauds, qui sortent des s\u00e9diments au niveau du fond de l\u2019oc\u00e9an Pacifique, ne sont pas anodins et pourraient avoir de graves cons\u00e9quences.<\/p>\n<p>\u00ab\u00a0Pythia\u2019s Oasis\u00a0\u00bb (l\u2019Oasis de Pythie, en r\u00e9f\u00e9rence \u00e0 la Pythie de Delphes dans la Gr\u00e8ce Antique) est donc une source d\u2019eau presque douce qui jaillit du fond de l\u2019oc\u00e9an \u00e0 travers une faille appel\u00e9e la zone de subduction de Cascadia (1000 km de long). La zone de subduction est une r\u00e9gion de la cro\u00fbte terrestre avec une activit\u00e9 sismique et volcanique intense, o\u00f9 une plaque oc\u00e9anique passe sous une autre plaque. C\u2019est dans ces r\u00e9gions que peuvent se pr\u00e9senter de tr\u00e8s gros s\u00e9ismes, d\u2019une magnitude allant au-del\u00e0 du 9 sur l\u2019\u00e9chelle de Richeter (\u00e0 titre de comparaison, le s\u00e9isme qui a eu lieu en Turquie et en Syrie en f\u00e9vrier \u00e9tait d\u2019une magnitude de 7,8).<\/p>\n<figure id=\"attachment_24891\" aria-describedby=\"caption-attachment-24891\" style=\"width: 770px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"24891\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/decouverte-dun-trou-dans-locean-qui-pourrait-provoquer-un-seisme-de-magnitude-9\/trou-ocean-oregon\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/trou-ocean-oregon.jpg?fit=770%2C875&amp;ssl=1\" data-orig-size=\"770,875\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"trou ocean oregon\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/trou-ocean-oregon.jpg?fit=704%2C800&amp;ssl=1\" class=\"wp-image-24891 size-full\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/trou-ocean-oregon.jpg?resize=770%2C875&#038;ssl=1\" alt=\"\" width=\"770\" height=\"875\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/trou-ocean-oregon.jpg?w=770&amp;ssl=1 770w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/trou-ocean-oregon.jpg?resize=264%2C300&amp;ssl=1 264w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/trou-ocean-oregon.jpg?resize=704%2C800&amp;ssl=1 704w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/04\/trou-ocean-oregon.jpg?resize=768%2C873&amp;ssl=1 768w\" sizes=\"auto, (max-width: 770px) 100vw, 770px\" \/><figcaption id=\"caption-attachment-24891\" class=\"wp-caption-text\">\u00a9 Philip et al. 2023, Science Advances<\/figcaption><\/figure>\n<p>C\u2019est Brendan Philip qui a fait cette d\u00e9couverte accidentelle, en 2015, \u00e0 80 km de la ville de Newport dans l\u2019Oregon. Les bulles entrevues auraient pu \u00eatre un indice de l\u2019existence d\u2019une bouche hydrothermale mais la surprise fut toute autre, comme les scientifiques l\u2019expliquent dans une \u00e9tude r\u00e9alis\u00e9e par l\u2019Universit\u00e9 de Washington et publi\u00e9e dans Sciences Advances.<\/p>\n<p>\u00ab\u00a0Ce qu\u2019ils ont vu n\u2019\u00e9tait pas seulement des bulles de m\u00e9thane, mais de l\u2019eau sortant du fond marin comme une lance \u00e0 incendie. C\u2019est quelque chose que je n\u2019ai jamais vu et, \u00e0 ma connaissance, qui n\u2019a jamais \u00e9t\u00e9 observ\u00e9 auparavant\u00a0\u00bb, a d\u00e9clar\u00e9 Evan Solomon, g\u00e9ologue des fonds marins et l\u2019un des auteurs de l\u2019article, dans un communiqu\u00e9 de presse.<\/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>Apr\u00e8s analyse, les chercheurs ont pu d\u00e9terminer que les fluides sortant de la faille sont 9 \u00b0C plus chauds que le fond marin et ils ont une signature chimique diff\u00e9rente de celle de l\u2019eau de mer. D\u2019apr\u00e8s eux, cette eau viendrait de 4 kilom\u00e8tres sous le fond oc\u00e9anique, o\u00f9 la temp\u00e9rature est estim\u00e9e \u00e0 150-250 \u00b0C.<\/p>\n<p>Comme expliqu\u00e9 plus haut, l\u2019endroit d\u2019o\u00f9 sort cette eau chaude est en fait le chevauchement entre deux plaques tectoniques : la plaque Juan de Fuca qui glisse en dessous de la plaque Nord-Am\u00e9ricaine de mani\u00e8re plus ou moins douce pour l\u2019instant. Cependant, la r\u00e9serve d\u2019eau chaude de l\u2019Oasis de Pythie agit comme un lubrifiant entre ces deux plaques r\u00e9duisant la friction entre les roches, et, en se d\u00e9versant, la lubrification est de moins en moins performante.<\/p>\n<p>Le risque est r\u00e9el selon les chercheurs : \u00ab\u00a0Si la pression du fluide est plus faible, les deux plaques se verrouillent \u2013 c\u2019est \u00e0 ce moment-l\u00e0 que la pression peut s\u2019accumuler.\u00a0\u00bb Et si la pression s\u2019accumule trop, \u00e0 un moment, elle l\u00e2chera pour continuer son mouvement et cr\u00e9era alors un \u00e9norme tremblement de terre, suivi d\u2019immenses tsunamis avec des vagues de plus de 30 m\u00e8tres de haut.<\/p>\n<p>Si ce sc\u00e9nario catastrophe vous semble invraisemblable, sachez qu\u2019il a d\u00e9j\u00e0 eu lieu en 1700 lorsque la terre a trembl\u00e9 \u00e0 une magnitude entre 8,7 et 9,2. Un \u00e9v\u00e8nement traumatisant dont l\u2019histoire s\u2019est transmise de bouches \u00e0 oreilles dans les communaut\u00e9s am\u00e9rindiennes jusqu\u2019\u00e0 aujourd\u2019hui. On a retrouv\u00e9 des preuves mat\u00e9rielles dans la \u00ab\u00a0ghost forest\u00a0\u00bb dans l\u2019Oregon o\u00f9 l\u2019on retrouve d\u2019anciens troncs d\u2019arbres d\u00e9sormais sous l\u2019eau ainsi que dans des documents japonais faisant \u00e9tat d\u2019un \u00e9norme tsunami arriv\u00e9 sur leur c\u00f4te orientale \u00e0 l\u2019\u00e9poque.<\/p>\n<figure id=\"attachment_12049\" aria-describedby=\"caption-attachment-12049\" style=\"width: 1100px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"12049\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/une-simulation-montre-le-mega-seisme-des-cascades-qui-pourrait-devaster-le-nord-ouest-du-pacifique\/cascadia-seisme-simulation\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/cascadia-seisme-simulation.jpg?fit=1100%2C1010&amp;ssl=1\" data-orig-size=\"1100,1010\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"cascadia-seisme-simulation\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/cascadia-seisme-simulation.jpg?fit=800%2C735&amp;ssl=1\" class=\"wp-image-12049 size-full\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/cascadia-seisme-simulation.jpg?resize=1100%2C1010&#038;ssl=1\" alt=\"\" width=\"1100\" height=\"1010\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/cascadia-seisme-simulation.jpg?w=1100&amp;ssl=1 1100w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/cascadia-seisme-simulation.jpg?resize=300%2C275&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/cascadia-seisme-simulation.jpg?resize=768%2C705&amp;ssl=1 768w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/cascadia-seisme-simulation.jpg?resize=800%2C735&amp;ssl=1 800w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-12049\" class=\"wp-caption-text\">simulation tsunami de la r\u00e9gion Cascadia<\/figcaption><\/figure>\n<p>sources : <a href=\"https:\/\/www.7sur7.be\/monde\/une-fuite-decouverte-au-fond-de-l-ocean-pourrait-provoquer-un-seisme-de-magnitude-9~ad33315f\/\" target=\"_blank\" rel=\"noopener\">https:\/\/www.7sur7.be\/<\/a> \/ <a href=\"https:\/\/www.rtbf.be\/article\/ocean-pacifique-la-faille-cascadia-fuit-et-pourrait-provoquer-un-tsunami-et-des-seismes-destructeurs-11184770\" target=\"_blank\" rel=\"noopener\">https:\/\/www.rtbf.be\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"24890\">(732)<\/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>Des scientifiques ont d\u00e9couvert qu\u2019un trou au fond de l\u2019oc\u00e9an, situ\u00e9 au large de Newport, dans l\u2019Oregon, aux \u00c9tats-Unis, laissait&#8230;<\/p>\n","protected":false},"author":1,"featured_media":12051,"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":"D\u00e9couverte d'un trou dans l'oc\u00e9an qui pourrait provoquer un s\u00e9isme de magnitude 9 @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":[6650,2535,241,1697,4243,108,259],"class_list":["post-24890","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-cascadia","tag-faille","tag-ocean","tag-ocean-pacifique","tag-oregon","tag-tsunami","tag-usa","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/05\/tsunami-cascades-oceanpacifique.jpg?fit=850%2C478&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-6ts","jetpack-related-posts":[{"id":25970,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-zone-de-subduction-de-cascadia-lun-des-principaux-phenomenes-naturels-a-risque-se-precise\/","url_meta":{"origin":24890,"position":0},"title":"La zone de subduction de Cascadia, l&rsquo;un des principaux ph\u00e9nom\u00e8nes naturels \u00e0 risque, se pr\u00e9cise","author":"Admin","date":"12 juin 2024","format":false,"excerpt":"Au large des c\u00f4tes du sud de la Colombie-Britannique, de l'\u00c9tat de Washington, de l'Oregon et du nord de la Californie se trouve une bande de 600 miles de long o\u00f9 le fond de l'oc\u00e9an Pacifique plonge lentement vers l'est sous l'Am\u00e9rique du Nord. Cette zone, appel\u00e9e zone de subduction\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\/2024\/06\/zone-a-risque-de-la-rgion-de-cascadia-en-amerique-du-nord-entre-seisme-et-tsunami.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/06\/zone-a-risque-de-la-rgion-de-cascadia-en-amerique-du-nord-entre-seisme-et-tsunami.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/06\/zone-a-risque-de-la-rgion-de-cascadia-en-amerique-du-nord-entre-seisme-et-tsunami.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/06\/zone-a-risque-de-la-rgion-de-cascadia-en-amerique-du-nord-entre-seisme-et-tsunami.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":17112,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-faille-de-cascadia-de-vancouver-touchee-par-trois-seismes-de-magnitude-superieure-a-6\/","url_meta":{"origin":24890,"position":1},"title":"La faille de Cascadia de Vancouver touch\u00e9e par trois s\u00e9ismes de magnitude sup\u00e9rieure \u00e0 6","author":"Admin","date":"22 octobre 2018","format":false,"excerpt":"Trois s\u00e9ismes de magnitude 6,6 et 6,8 et 6,5 sur l'\u00e9chelle de Richter ont touch\u00e9 la r\u00e9gion de Vancouver sur la c\u00f4te Pacifique du Canada en moins d'une heure. Le premier tremblement de terre s'est d\u00e9roul\u00e9 \u00e0 432 kilom\u00e8tres au nord-ouest de la ville selon l'agence am\u00e9ricaine de surveillance de\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\/2018\/10\/quake-seisme-vancouver.jpg?fit=780%2C439&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/10\/quake-seisme-vancouver.jpg?fit=780%2C439&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/10\/quake-seisme-vancouver.jpg?fit=780%2C439&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/10\/quake-seisme-vancouver.jpg?fit=780%2C439&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":19195,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-scientifiques-predisent-que-le-big-one-se-produira-lors-dun-evenement-a-glissement-lent-sur-la-cote-ouest-des-usa-cest-ce-qui-se-passe-actuellement\/","url_meta":{"origin":24890,"position":2},"title":"Les scientifiques pr\u00e9disent que le \u00abBig One\u00bb se produira lors d&rsquo;un \u00ab\u00e9v\u00e9nement \u00e0 glissement lent\u00bb sur la c\u00f4te ouest des USA &#8211; c&rsquo;est ce qui se passe actuellement!","author":"Admin","date":"24 mai 2019","format":false,"excerpt":"Un petit essaim de tremblements a \u00e9t\u00e9 enregistr\u00e9e le long de la c\u00f4te ouest au cours des derni\u00e8res semaines, ce qui a pouss\u00e9 les scientifiques et les g\u00e9ologues \u00e0 \u00eatre en alerte. La plaque Juan De Fuca se d\u00e9place sous nous, puis tout \u00e0 coup, environ tous les 14 mois,\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\/05\/seisme-quake-tsunami-cascadia-usa.jpg?fit=770%2C512&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/seisme-quake-tsunami-cascadia-usa.jpg?fit=770%2C512&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/seisme-quake-tsunami-cascadia-usa.jpg?fit=770%2C512&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/seisme-quake-tsunami-cascadia-usa.jpg?fit=770%2C512&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":13075,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-volcans-des-profondeurs-documentaire-nature\/","url_meta":{"origin":24890,"position":3},"title":"Les Volcans Des Profondeurs [Documentaire Nature]","author":"Admin","date":"23 ao\u00fbt 2016","format":false,"excerpt":"Les fonds oc\u00e9aniques sont cartographi\u00e9s par les scientifiques pour en conna\u00eetre les reliefs. Cette exploration des abysses a r\u00e9v\u00e9l\u00e9 des profondeurs plus importantes que la hauteur de l'Everest. G\u00e9ologues et biologistes ont d\u00e9couvert d'immenses rifts volcaniques au fonds des oc\u00e9ans. Ainsi, ce travail, gr\u00e2ce \u00e0 un mat\u00e9riel de pointe qui\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":"volcans de norvege","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2013\/11\/volcans-norvege1.jpg?fit=450%2C290&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":6360,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-volcan-sous-marin-pourrait-etre-entre-en-eruption-au-large-de-loregon\/","url_meta":{"origin":24890,"position":4},"title":"Un volcan sous-marin pourrait \u00eatre entr\u00e9 en \u00e9ruption au large de l&rsquo;Oregon","author":"Admin","date":"7 mai 2015","format":false,"excerpt":"Un volcan sous-marin \u00e0 environ 480 km au large des c\u00f4tes de l'Oregon cote ouest USA est probablement entr\u00e9 en \u00e9ruption la semaine derni\u00e8re, et un nouveau r\u00e9seau de sismom\u00e8tres de fond de mer a captur\u00e9 un grand pic d'activit\u00e9 sismique. Selon les scientifiques, il n'y pas de menace de\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\/05\/volcan-sousmarin-oregon.jpg?fit=815%2C506&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/volcan-sousmarin-oregon.jpg?fit=815%2C506&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/volcan-sousmarin-oregon.jpg?fit=815%2C506&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/volcan-sousmarin-oregon.jpg?fit=815%2C506&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":10720,"url":"https:\/\/www.laterredufutur.com\/accueil\/tsunami-dans-locean-pacifique-en-1700\/","url_meta":{"origin":24890,"position":5},"title":"Tsunami dans l&rsquo;oc\u00e9an pacifique en 1700","author":"Admin","date":"3 f\u00e9vrier 2016","format":false,"excerpt":"Le s\u00e9isme du 27 janvier 1700 dans les Cascades (en anglais the 1700 Cascadia Earthquake) aux USA est un s\u00e9isme suppos\u00e9 d'une magnitude entre 8,7 et 9,2 qui s'est produit dans la zone de subduction des Cascades en 1700 dans le Pacifique nord-est. Ce tremblement de terre impliquait la plaque\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\/2016\/01\/cascade-tsunami.jpg?fit=600%2C297&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/cascade-tsunami.jpg?fit=600%2C297&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/01\/cascade-tsunami.jpg?fit=600%2C297&ssl=1&resize=525%2C300 1.5x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24890","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=24890"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24890\/revisions"}],"predecessor-version":[{"id":24892,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/24890\/revisions\/24892"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/12051"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=24890"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=24890"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=24890"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}