{"id":22600,"date":"2021-06-04T19:08:57","date_gmt":"2021-06-04T17:08:57","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=22600"},"modified":"2021-06-04T19:08:57","modified_gmt":"2021-06-04T17:08:57","slug":"premieres-images-du-volcan-sous-marin-pres-de-mayotte","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/premieres-images-du-volcan-sous-marin-pres-de-mayotte\/","title":{"rendered":"Premi\u00e8res images du volcan sous-marin pr\u00e8s de Mayotte"},"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>Geoflamme, la premi\u00e8re campagne scientifique sur le volcan sous-marin au large de Mayotte, vient de s&rsquo;achever. Les scientifiques ont maintenant de grandes quantit\u00e9s d&rsquo;\u00e9chantillons de roche et de fluide ainsi que d&rsquo;\u00e9tonnantes images haute r\u00e9solution de l&rsquo;\u00e9difice volcanique.<\/p>\n<figure id=\"attachment_22604\" aria-describedby=\"caption-attachment-22604\" style=\"width: 900px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22604\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/premieres-images-du-volcan-sous-marin-pres-de-mayotte\/mayotte-seisme-volcan\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?fit=900%2C636&amp;ssl=1\" data-orig-size=\"900,636\" 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=\"mayotte-seisme-volcan\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Essaim sismique de Mayotte et nouvelle carte des volcans sous-marins.&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?fit=800%2C565&amp;ssl=1\" class=\"size-full wp-image-22604\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?resize=900%2C636&#038;ssl=1\" alt=\"\" width=\"900\" height=\"636\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?w=900&amp;ssl=1 900w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?resize=300%2C212&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?resize=800%2C565&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?resize=768%2C543&amp;ssl=1 768w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><figcaption id=\"caption-attachment-22604\" class=\"wp-caption-text\">Essaim sismique de Mayotte et nouvelle carte des volcans sous-marins.<\/figcaption><\/figure>\n<p>Esp\u00e9rons que ces nouvelles donn\u00e9es permettront de mieux comprendre la formation, l&rsquo;\u00e9volution et les impacts environnementaux potentiels de ce nouvel \u00e9difice volcanique sous-marin &#8211; le plus jeune et le plus profond \u00e9tudi\u00e9 \u00e0 ce jour si proche des zones habit\u00e9es.<\/p>\n<figure id=\"attachment_22603\" aria-describedby=\"caption-attachment-22603\" style=\"width: 1140px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22603\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/premieres-images-du-volcan-sous-marin-pres-de-mayotte\/mayotte-sous-marin-volcan-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.png?fit=1140%2C515&amp;ssl=1\" data-orig-size=\"1140,515\" 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=\"mayotte-sous marin-volcan\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Les coul\u00e9es de lave sont recouvertes d&amp;rsquo;une fine pellicule de fer oxyd\u00e9. \u00a9 G\u00e9oflamme 2021&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.png?fit=800%2C361&amp;ssl=1\" class=\"size-full wp-image-22603\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.png?resize=1140%2C515&#038;ssl=1\" alt=\"\" width=\"1140\" height=\"515\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.png?w=1140&amp;ssl=1 1140w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.png?resize=300%2C136&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.png?resize=800%2C361&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.png?resize=768%2C347&amp;ssl=1 768w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-22603\" class=\"wp-caption-text\">Les coul\u00e9es de lave sont recouvertes d&rsquo;une fine pellicule de fer oxyd\u00e9. \u00a9 G\u00e9oflamme 2021<\/figcaption><\/figure>\n<p>Le volcan sous-marin au large de Mayotte<br \/>\nEn mai 2019, un nouveau volcan a \u00e9t\u00e9 d\u00e9couvert \u00e0 50 km au large de la c\u00f4te Est de Mayotte par comparaison temporelle de donn\u00e9es bathym\u00e9triques. Il repose sur le fond marin \u00e0 une profondeur de 3500 m. Il mesure 820 m de haut et le volume en \u00e9ruption estim\u00e9 est sup\u00e9rieur \u00e0 6 km3.<\/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\/rc0P4aioa_k?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>\u00ab La naissance d&rsquo;un tel volcan est un \u00e9v\u00e9nement brutal pour le milieu marin. Le volume de lave \u00e9mis en quelques mois est estim\u00e9 \u00e0 plus de 6 km 3 , soit l&rsquo;\u00e9quivalent d&rsquo;une couche de plusieurs dizaines de m\u00e8tres qui couvriraient la ville de Paris , \u00bb souligne Emmanuel Rinnert, chef de mission.<\/p>\n<p>\u00ab Un volcan sous-marin aussi jeune et profond n&rsquo;a jamais \u00e9t\u00e9 \u00e9tudi\u00e9. C&rsquo;est un objet exceptionnel et les donn\u00e9es que nous avons recueillies sur le terrain nous permettront de mieux le comprendre \u00bb , a- t-il ajout\u00e9.<\/p>\n<p>Les premi\u00e8res donn\u00e9es montrent deux types d&rsquo;\u00e9missions de fluides :<\/p>\n<p>Eau de mer chauff\u00e9e par la coul\u00e9e de lave<br \/>\nFontaines riches en dioxyde de carbone (CO 2 ) et en m\u00e9thane (CH 4 ).<br \/>\nDes traces de vie comme des biofilms de micro-organismes ainsi que de la macrofaune comme des crevettes sont d\u00e9j\u00e0 visibles dans certains de ces spots.<\/p>\n<figure id=\"attachment_22602\" aria-describedby=\"caption-attachment-22602\" style=\"width: 718px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22602\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/premieres-images-du-volcan-sous-marin-pres-de-mayotte\/mayotte-sous-marin-volcan\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.jpg?fit=696%2C318&amp;ssl=1\" data-orig-size=\"696,318\" 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=\"mayotte-sous marin-volcan\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Rouleaux de lave observ\u00e9s lors de la premi\u00e8re plong\u00e9e du Victor 6000 \u00a9 Geoflamme 2021&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.jpg?fit=696%2C318&amp;ssl=1\" class=\" wp-image-22602\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.jpg?resize=718%2C328&#038;ssl=1\" alt=\"\" width=\"718\" height=\"328\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.jpg?w=696&amp;ssl=1 696w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.jpg?resize=300%2C137&amp;ssl=1 300w\" sizes=\"auto, (max-width: 718px) 100vw, 718px\" \/><figcaption id=\"caption-attachment-22602\" class=\"wp-caption-text\">Rouleaux de lave observ\u00e9s lors de la premi\u00e8re plong\u00e9e du Victor 6000 \u00a9 Geoflamme 2021<\/figcaption><\/figure>\n<p>Formation et d\u00e9couverte du volcan sous-marin au large de Mayotte<br \/>\nEn mai 2019, un nouveau volcan de 820 m\u00e8tres de haut a \u00e9t\u00e9 d\u00e9couvert \u00e0 50 km au large de la c\u00f4te est de Mayotte \u00e0 une profondeur de 3500 m.<\/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>En effet, des milliers de s\u00e9ismes secouent Mayotte depuis mai 2018 . Ces s\u00e9ismes peuvent \u00eatre regroup\u00e9s en deux domaines principaux :<\/p>\n<p>Essaim de mai 2018 : environ 25 km \u00e0 l&rsquo;Est de Petite Terre et 25 \u00e0 50 km de profondeur. Les plus gros s\u00e9ismes se trouvent dans cette s\u00e9rie, y compris un s\u00e9isme de Mw5,9 survenu le 15 mai 2018.<br \/>\nEssaim d&rsquo;ao\u00fbt 2018 : L&rsquo;essaim principal se situe entre 5 et 15 km \u00e0 l&rsquo;Est de Petite Terre.<\/p>\n<figure id=\"attachment_22601\" aria-describedby=\"caption-attachment-22601\" style=\"width: 736px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"22601\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/premieres-images-du-volcan-sous-marin-pres-de-mayotte\/mayotte-volcan-seisme\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-volcan-seisme.png?fit=520%2C313&amp;ssl=1\" data-orig-size=\"520,313\" 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=\"mayotte-volcan-seisme\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Essaims de tremblements de terre \u00e0 Mayotte&lt;\/p&gt;\n\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-volcan-seisme.png?fit=520%2C313&amp;ssl=1\" class=\" wp-image-22601\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-volcan-seisme.png?resize=736%2C443&#038;ssl=1\" alt=\"\" width=\"736\" height=\"443\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-volcan-seisme.png?w=520&amp;ssl=1 520w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-volcan-seisme.png?resize=300%2C181&amp;ssl=1 300w\" sizes=\"auto, (max-width: 736px) 100vw, 736px\" \/><figcaption id=\"caption-attachment-22601\" class=\"wp-caption-text\">Essaims de tremblements de terre \u00e0 Mayotte<\/figcaption><\/figure>\n<p>La d\u00e9couverte du volcan sous-marin explique les essaims de tremblements de terre qui se produisent depuis le 10 mai 2018 et, bien que cette activit\u00e9 sismique ne soit pas directement sous le nouveau volcan, qui est plus \u00e0 l&rsquo;est, les deux r\u00e9gions d&rsquo;essaim sont li\u00e9es au volcan par des voies de magma. .<\/p>\n<p>En mai 2019, un panache d&rsquo;\u00e9ruption contenant beaucoup de gaz, de poussi\u00e8res et de particules, a presque atteint la surface de l&rsquo;oc\u00e9an, provoquant un \u00e9pais brouillard. Les \u00e9ruptions ont ensuite chang\u00e9 de nature, avec des laves assez fluides qui ont provoqu\u00e9 l&rsquo;\u00e9talement de la base du volcan.<\/p>\n<p>Le volcan sous-marin de Mayotte mesure d\u00e9sormais jusqu&rsquo;\u00e0 3 tours Eiffel et fait plus de 11 tours Eiffel de large. Et toujours en croissance\u2026<\/p>\n<p>Le volcan est situ\u00e9 \u00e0 3400 m de profondeur \u00e0 50 km \u00e0 l\u2019est des c\u00f4tes de Mayotte, dans l\u2019oc\u00e9an Indien. Il ne pr\u00e9sente pas en lui-m\u00eame de risque pour la population ou pour la navigation. Sa naissance est li\u00e9e \u00e0 une poche magmatique \u00e0 plusieurs dizaines de kilom\u00e8tres de profondeur \u00e0 l\u2019est de l\u2019\u00eele. En se vidant, celle-ci a entrain\u00e9 le d\u00e9placement vers l\u2019est de l\u2019\u00eele et son enfoncement de l\u2019ordre d\u2019une vingtaine de centim\u00e8tres, ainsi qu\u2019une s\u00e9rie de s\u00e9ismes.<\/p>\n<p>\u00ab Nous n\u2019avons pas vu de coul\u00e9es en cours de formation pendant notre campagne, on a globalement un sentiment d\u2019accalmie de l\u2019activit\u00e9 volcanique actuellement, conclut Emmanuel Rinnert. D\u2019ailleurs, les s\u00e9ismes \u00e0 terre et l\u2019affaissement de l\u2019\u00eele sont quasiment arr\u00eat\u00e9s pour le moment. \u00bb<\/p>\n<p>La surveillance du volcan se poursuit gr\u00e2ce au Revosima (R\u00e9seau de surveillance volcanologique et sismologique de Mayotte). Un projet d\u2019observatoire compl\u00e9mentaire sur le fond, baptis\u00e9 Marmor, a \u00e9galement commenc\u00e9 d\u00e9but 2021.<\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\">Terra Projects<\/a><\/p>\n<p>Sources : <a href=\"https:\/\/strangesounds.org\/2021\/06\/first-images-underwater-volcano-mayotte-video-pictures.html\" target=\"_blank\" rel=\"noopener\">https:\/\/strangesounds.org\/<\/a> \/ <a href=\"https:\/\/wwz.ifremer.fr\/Espace-Presse\/Communiques-de-presse\/Images-inedites-au-plus-pres-du-volcan-sous-marin-de-Mayotte\" rel=\"noopener\" target=\"_blank\">https:\/\/wwz.ifremer.fr\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"22600\">(596)<\/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>Geoflamme, la premi\u00e8re campagne scientifique sur le volcan sous-marin au large de Mayotte, vient de s&rsquo;achever. Les scientifiques ont maintenant&#8230;<\/p>\n","protected":false},"author":1,"featured_media":22603,"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":"Premi\u00e8res images du #volcan sous-marin pr\u00e8s de #Mayotte @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}},"categories":[19],"tags":[692,6945,347,2443,684,48],"class_list":["post-22600","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-essaim","tag-mayotte","tag-seisme","tag-sous-marin","tag-video","tag-volcan","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-sous-marin-volcan.png?fit=1140%2C515&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-5Sw","jetpack-related-posts":[{"id":19157,"url":"https:\/\/www.laterredufutur.com\/accueil\/naissance-dun-volcan-sous-marin-a-mayotte\/","url_meta":{"origin":22600,"position":0},"title":"Naissance d&rsquo;un volcan sous-marin \u00e0 Mayotte","author":"Admin","date":"19 mai 2019","format":false,"excerpt":"Les eaux turquoise n\u2019en laissent rien para\u00eetre, Mayotte vient de livrer un secret jusqu'alors bien gard\u00e9. L'oc\u00e9an a accouch\u00e9 d'un volcan par 3 500 m\u00e8tres de profondeur, \u00e0 50 km au large de l'\u00eele. Un monstre de 800 m\u00e8tres de haut pos\u00e9 sur un socle de 4 km de diam\u00e8tre.\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\/mayotte-nouveau-volcan.jpg?fit=1024%2C680&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mayotte-nouveau-volcan.jpg?fit=1024%2C680&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mayotte-nouveau-volcan.jpg?fit=1024%2C680&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/05\/mayotte-nouveau-volcan.jpg?fit=1024%2C680&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":17885,"url":"https:\/\/www.laterredufutur.com\/accueil\/naissance-dun-volcan-au-large-de-mayotte\/","url_meta":{"origin":22600,"position":1},"title":"Naissance d&rsquo;un volcan au large de Mayotte ?","author":"Admin","date":"20 janvier 2019","format":false,"excerpt":"\u00c9ruption volcanique imminente ? Expulsion de poches de gaz ? La d\u00e9couverte d\u2019une grande quantit\u00e9 de poissons morts \u00e0 la surface de la mer sur la zone d'essaim sismique qui touche Mayotte depuis le 10 mai 2018, interroge des scientifiques qui \u00e9mettent des hypoth\u00e8ses. C\u2019est sur la base d\u2019observations similaires\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\/01\/mayotte_geologie-sous-marine.jpg?fit=660%2C371&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/mayotte_geologie-sous-marine.jpg?fit=660%2C371&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/01\/mayotte_geologie-sous-marine.jpg?fit=660%2C371&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":24796,"url":"https:\/\/www.laterredufutur.com\/accueil\/mayotte-un-immense-corridor-volcanique-decouvert\/","url_meta":{"origin":22600,"position":2},"title":"Mayotte : Un immense corridor volcanique d\u00e9couvert","author":"Admin","date":"15 mars 2023","format":false,"excerpt":"Au moyen de campagnes en mer, un gigantesque corridor de volcans actifs a \u00e9t\u00e9 d\u00e9couvert tout le long de l\u2019archipel des Comores. En 2018, suite \u00e0 une crise sismique \u00e0 Mayotte, des campagnes en mer ont \u00e9t\u00e9 lanc\u00e9es. Ainsi, Fani Maor\u00e9, un volcan sous-marin, a \u00e9t\u00e9 d\u00e9couvert \u00e0 50 km\u2026","rel":"","context":"Dans &quot;Outils sur le volcanisme et les s\u00e9ismes&quot;","block_context":{"text":"Outils sur le volcanisme et les s\u00e9ismes","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/outils-volcanisme-seismes\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?fit=900%2C636&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?fit=900%2C636&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?fit=900%2C636&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/06\/mayotte-seisme-volcan.png?fit=900%2C636&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":18540,"url":"https:\/\/www.laterredufutur.com\/accueil\/mayotte-senfonce-anormalement-a-lest-en-direction-de-lessaim-de-seismes\/","url_meta":{"origin":22600,"position":3},"title":"Mayotte s&rsquo;enfonce anormalement \u00e0 l&rsquo;Est, en direction de l&rsquo;essaim de s\u00e9ismes","author":"Admin","date":"10 mars 2019","format":false,"excerpt":"La terre tremble r\u00e9guli\u00e8rement \u00e0 Mayotte, ce n'est pas un scoop... Mais de r\u00e9cents relev\u00e9s indiquent des mouvements de sol. L'\u00eele plonge tout doucement vers l'est, tout droit vers l'essaim de s\u00e9ismes qui s\u00e9vit depuis mai 2018. Normal ? Oui et non, naturellement, l'\u00eele glisse dans l'oc\u00e9an de 0,19 mm\/an...\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\/03\/seisme-mayotte.jpg?fit=660%2C371&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/seisme-mayotte.jpg?fit=660%2C371&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/seisme-mayotte.jpg?fit=660%2C371&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":26668,"url":"https:\/\/www.laterredufutur.com\/accueil\/essaim-de-seismes-intenses-en-cours-au-santorin-tectonique-ou-volcanique\/","url_meta":{"origin":22600,"position":4},"title":"Essaim de s\u00e9ismes intenses en cours au Santorin : tectonique ou volcanique ?","author":"Admin","date":"4 f\u00e9vrier 2025","format":false,"excerpt":"Un essaim sismique intense s'est produit depuis mardi 28 janvier 2025 au large des c\u00f4tes de Santorin, en Gr\u00e8ce, \u00e0 quelques kilom\u00e8tres de l'une des \u00eeles volcaniques les plus connues et visit\u00e9es au monde. La s\u00e9quence en cours depuis mardi a jusqu'\u00e0 pr\u00e9sent enregistr\u00e9 plus de 300 tremblements de terre,\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\/2023\/03\/santorin-et-volcan-Kolumbo.jpg?fit=600%2C563&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/03\/santorin-et-volcan-Kolumbo.jpg?fit=600%2C563&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/03\/santorin-et-volcan-Kolumbo.jpg?fit=600%2C563&ssl=1&resize=525%2C300 1.5x"},"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":22600,"position":5},"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":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22600","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=22600"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22600\/revisions"}],"predecessor-version":[{"id":22605,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/22600\/revisions\/22605"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/22603"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=22600"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=22600"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=22600"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}