{"id":2088,"date":"2014-07-08T23:00:00","date_gmt":"2014-07-08T22:00:00","guid":{"rendered":"http:\/\/www.laterredufutur.com\/wordpress\/?p=2088"},"modified":"2014-07-08T23:00:00","modified_gmt":"2014-07-08T22:00:00","slug":"pourquoi-les-volcans-se-reveillent-ils-en-meme-temps","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/pourquoi-les-volcans-se-reveillent-ils-en-meme-temps\/","title":{"rendered":"Pourquoi les Volcans se R\u00e9veillent-ils en M\u00eame Temps ?"},"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;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"2084\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/pourquoi-les-volcans-se-reveillent-ils-en-meme-temps\/_spaw_images_tonga_s\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._spaw_images_tonga_s.jpg?fit=240%2C165&amp;ssl=1\" data-orig-size=\"240,165\" 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=\".._spaw_images_tonga_s\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._spaw_images_tonga_s.jpg?fit=240%2C165&amp;ssl=1\" class=\" alignleft size-full wp-image-2084\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2014\/07\/.._spaw_images_tonga_s.jpg?w=120\" border=\"0\"  style=\"border: 0px; float: left;\" \/>Cette observation n&rsquo;est, fort heureusement, qu&rsquo;une fausse impression. Il est vrai que, ces derniers mois, plusieurs volcans se sont r\u00e9veill\u00e9s : le Piton de la Fournaise \u00e0 la R\u00e9union (qui a connu, en avril, \u00ab\u00a0l&rsquo;\u00e9ruption du si\u00e8cle\u00a0\u00bb), le Stromboli et l&rsquo;Etna en Italie, le Merapi en Indon\u00e9sie, le Kilauea \u00e0 Hawa\u00ef&#8230;<\/span><\/span><\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"> <\/span><\/span><\/p>\n<p>\u00a0<\/p>\n<p>\u00a0<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Pour autant, \u00ab\u00a0le fait que ces volcans soient en \u00e9ruption en m\u00eame temps n&rsquo;est que le fruit du hasard, indique Claude Jaupart, g\u00e9ophysicien de l&rsquo;Institut de physique du globe de Paris. Parall\u00e8lement, de nombreux autres volcans majeurs sont au repos, comme au Japon, dans l&rsquo;Ouest am\u00e9ricain, les \u00eeles grecques ou les Andes. Statistiquement, sur les 1500 volcans actifs du monde, il y en a toujours une dizaine en \u00e9ruption simultan\u00e9ment\u00a0\u00bb. Si l&rsquo;on remonte un peu dans les archives de la Terre, on voit que le nombre de volcans en \u00e9ruption r\u00e9pertori\u00e9s n&rsquo;a cess\u00e9 d&rsquo;augmenter : on en comptait une vingtaine en 1800, plus de 40 en 1900 et plus de 60 en 2000. Loin d&rsquo;y voir un emballement de l&rsquo;activit\u00e9 volcalnique au cours des deux derniers si\u00e8cles, les volcanologues estiment qu&rsquo;il ne s&rsquo;agit, l\u00e0 aussi, que de la cons\u00e9quence de l&rsquo;\u00e9volution de la population &#8211; donc du nombre d&rsquo;observateurs &#8211; et des moyens de communication. Selon les chercheurs du Smithsonian Institute, qui tiennent \u00e0 jour un catalogue des \u00e9pisodes \u00e9ruptifs, le nombre de volcans en activit\u00e9 oscille chaque ann\u00e9e entre 50 et 70 depuis quarante ans (infographie). Si le \u00ab\u00a0dynamisme\u00a0\u00bb global des volcans est quasiment constant, la fr\u00e9quence d&rsquo;\u00e9ruption est, elle, tr\u00e8s variable d&rsquo;un site \u00e0 l&rsquo;autre.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"2085\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/pourquoi-les-volcans-se-reveillent-ils-en-meme-temps\/_photos_sangeang-api-5-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._photos_Sangeang-Api-5.JPG?fit=450%2C338&amp;ssl=1\" data-orig-size=\"450,338\" 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=\".._photos_Sangeang-Api-5\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._photos_Sangeang-Api-5.JPG?fit=450%2C338&amp;ssl=1\" class=\" size-full wp-image-2085\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2014\/07\/.._photos_Sangeang-Api-5.JPG?resize=450%2C338\" border=\"0\" width=\"450\" height=\"338\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._photos_Sangeang-Api-5.JPG?w=450&amp;ssl=1 450w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._photos_Sangeang-Api-5.JPG?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._photos_Sangeang-Api-5.JPG?resize=174%2C131&amp;ssl=1 174w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._photos_Sangeang-Api-5.JPG?resize=70%2C53&amp;ssl=1 70w\" sizes=\"auto, (max-width: 450px) 100vw, 450px\" \/><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Depuis 1960, le nombre de volcans en activit\u00e9 n&rsquo;a, en fait, que tr\u00e8s peu vari\u00e9.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Gr\u00e2ce \u00e0 un r\u00e9seau mondial de surveillance, les volcanologues disposent de donn\u00e9es pr\u00e9cises sur l&rsquo;activit\u00e9 des volcans depuis 40 ans. Ainsi, sur les 1 500 sites actifs (s&rsquo;\u00e9tant manifest\u00e9s au moins une fois sur les 10 000 derni\u00e8res ann\u00e9es), le nombre de volcans en \u00e9ruption \u00e9volue de mani\u00e8re al\u00e9atoire et dans une fourchette \u00e9troite (entre 40 et 70) d&rsquo;une ann\u00e9e sur l&rsquo;autre. La Ceinture de feu du pacifique, l&rsquo;Indon\u00e9sie, le Rift est-africain, Hawa\u00ef et la R\u00e9union constituent les zones les plus actives.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"2086\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/pourquoi-les-volcans-se-reveillent-ils-en-meme-temps\/laterredufutur-free-fr_photos_structure-volcanique-1\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_structure-volcanique-1.gif?fit=879%2C482&amp;ssl=1\" data-orig-size=\"879,482\" 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=\"laterredufutur.free.fr_photos_structure-volcanique-1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_structure-volcanique-1.gif?fit=800%2C439&amp;ssl=1\" class=\" size-full wp-image-2086\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_structure-volcanique-1.gif?w=450\" border=\"0\"  style=\"border: 0px;\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_structure-volcanique-1.gif?w=879&amp;ssl=1 879w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_structure-volcanique-1.gif?resize=300%2C165&amp;ssl=1 300w\" sizes=\"(max-width: 879px) 100vw, 879px\" \/><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">UNE QUESTION DE TECTONIQUE<\/span><\/span><\/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> <script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script> <!-- TDF2 --> <ins class=\"adsbygoogle\"      style=\"display:inline-block;width:336px;height:280px\"      data-ad-client=\"ca-pub-2860849627502538\"      data-ad-slot=\"1340140919\"><\/ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); <\/script> <\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">L&rsquo;activit\u00e9 volcanique est en effet \u00e9troitement li\u00e9e \u00e0 la tectonique des plaques. A l&rsquo;aplomb des zones de rencontre des plaques lithosph\u00e9riques, on trouve un volcanisme de subduction : c&rsquo;est le cas de la c\u00e9l\u00e8bre Ceinture de feu du Pacifique ; au milieu d&rsquo;une plaque se manifeste un volcanisme de point chaud, comme \u00e0 Hawa\u00ef ou la R\u00e9union. Sans compter les millions de volcans sous-marins qui pars\u00e8ment les 70 000 kilom\u00e8tres de dorsales oc\u00e9aniques. Autant de contextes qui affectent la fr\u00e9quence des \u00e9mptions. \u00ab\u00a0L&rsquo;intervalle de temps entre deux \u00e9ruptions est li\u00e9 au taux de production de magma en profondeur et \u00e0 la r\u00e9partition des volcans\u00a0\u00bb, explique Claude Jaupart. Si ce taux de production est important et si le magma ressort par un nombre r\u00e9duit de centres \u00e9ruptifs, les \u00e9ruptions sont fr\u00e9quentes : c&rsquo;est le cas des volcans de point chaud, qui tr\u00f4nent au-dessus de forts courants ascendants du manteau terrestre et dont les \u00e9ruptions sont distantes de seulement quelques ann\u00e9es. Inversement, si la production de magma est faible et distribu\u00e9e sur un grand nombre de volcans, les \u00e9ruptions sont rares et plusieurs si\u00e8cles peuvent s\u00e9parer deux \u00e9mptions : ce sont les volcans des zones de subduction tels le Mont Saint Helens aux Etats-Unis ou la Montagne Pel\u00e9e \u00e0 la Martinique. Or, \u00ab\u00a0dans de rares cas, comme pour le Merapi, le volcan est de type-subduction mais les \u00e9ruptions sont quasi continues pendant des d\u00e9cennies, souligne Claude Jaupart. Le flux de lave y est assez faible mais, comme le magma ne peut s&rsquo;arr\u00eater dans un r\u00e9servoir, celle-ci s&rsquo;\u00e9coule de mani\u00e8re ininterrompue. \u00ab\u00a0Ce qui renforce l&rsquo;impression que les volcans se montrent plus d\u00e9monstratifs ces derniers temps&#8230;<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"2087\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/pourquoi-les-volcans-se-reveillent-ils-en-meme-temps\/laterredufutur-free-fr_photos_repartvolcan-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_repartvolcan.jpg?fit=500%2C275&amp;ssl=1\" data-orig-size=\"500,275\" 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=\"laterredufutur.free.fr_photos_repartvolcan\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_repartvolcan.jpg?fit=500%2C275&amp;ssl=1\" class=\" size-full wp-image-2087\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_repartvolcan.jpg?w=450\" border=\"0\"  style=\"border: 0px;\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_repartvolcan.jpg?w=500&amp;ssl=1 500w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/laterredufutur.free.fr_photos_repartvolcan.jpg?resize=300%2C165&amp;ssl=1 300w\" sizes=\"(max-width: 500px) 100vw, 500px\" \/><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">DES ERUPTIONS LI\u00c9ES AUX SAISONS<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">Si le nombre d&rsquo;\u00e9ruptions volcaniques \u00e9volue peu d&rsquo;une ann\u00e9e sur l&rsquo;autre, celles-ci pr\u00e9senteraient un caract\u00e8re saisonnier marqu\u00e9. C&rsquo;est ce qui ressort des travaux de David Pyle, de l&rsquo;universit\u00e9 de Cambridge. En analysant des archives recensant pr\u00e8s de 3 200 \u00e9ruptions sur 300 ans, le g\u00e9ologue a mis en \u00e9vidence que les \u00e9ruptions \u00e9taient plus nombreuses entre les mois de novembre et d&rsquo;avril qu&rsquo;entre les mois de mai et d&rsquo;octobre. Cette saisonnalit\u00e9 serait li\u00e9e aux d\u00e9formations cycliques de la surface de la Terre r\u00e9sultant des variations du niveau des mers : au cours d&rsquo;une ann\u00e9e, le niveau des mers monte et descend globalement d&rsquo;une dizaine de millim\u00e8tres, modifiant les pressions exerc\u00e9es sur les roches sous-jacentes. Ce qui emp\u00eache ou facilite la remont\u00e9e du magma des profondeurs de la Terre&#8230; Ainsi, l&rsquo;activit\u00e9 accrue des volcans d&rsquo;Am\u00e9rique centrale entre d\u00e9cembre et mars co\u00efnciderait avec une baisse du niveau marin dans cette r\u00e9gion.<\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\">source :\u00a0http:\/\/planete.gaia.free.fr\/<\/span><\/span><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"2088\">(3019)<\/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 style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><img decoding=\"async\" class=\" alignleft size-full wp-image-2084\" src=\"http:\/\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2014\/07\/.._spaw_images_tonga_s.jpg\" border=\"0\" width=\"120\" style=\"border: 0px; float: left;\" \/>Cette observation n&rsquo;est, fort heureusement, qu&rsquo;une fausse impression. Il est vrai que, ces derniers mois, plusieurs volcans se sont r\u00e9veill\u00e9s : le Piton de la Fournaise \u00e0 la R\u00e9union (qui a connu, en avril, \u00ab\u00a0l&rsquo;\u00e9ruption du si\u00e8cle\u00a0\u00bb), le Stromboli et l&rsquo;Etna en Italie, le Merapi en Indon\u00e9sie, le Kilauea \u00e0 Hawa\u00ef&#8230;<\/span><\/span><\/p>\n<p style=\"text-align: justify;\">\u00a0<\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"><br \/><\/span><\/span><\/p>\n<p style=\"text-align: justify;\"><span style=\"color: #000000;\"><span style=\"font-size: small;\"> <\/span><\/span><\/p>\n","protected":false},"author":1,"featured_media":2084,"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":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"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":[453,355,2145,1538,75,598,49],"class_list":["post-2088","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-eruptions","tag-evolution","tag-reveille","tag-seismes","tag-terre","tag-volcanisme","tag-volcans","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2014\/07\/.._spaw_images_tonga_s.jpg?fit=240%2C165&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-xG","jetpack-related-posts":[{"id":16604,"url":"https:\/\/www.laterredufutur.com\/accueil\/eruption-volcanique-a-hawai-les-gaz-toxiques-plus-a-craindre-encore-que-les-risques-dexplosion\/","url_meta":{"origin":2088,"position":0},"title":"\u00c9ruption volcanique \u00e0 Hawa\u00ef: Les gaz toxiques plus \u00e0 craindre encore que les risques d\u2019explosion?","author":"Admin","date":"16 mai 2018","format":false,"excerpt":"La menace num\u00e9ro 1 du volcan Kilauea \u00e0 Hawa\u00ef est bien l\u2019\u00e9manation de gaz toxiques selon les scientifiques\u2026 Le Kilauea, l\u2019un des cinq volcans de l\u2019\u00eele d\u2019Hawa\u00ef et l\u2019un des plus actifs au monde, est entr\u00e9 en \u00e9ruption depuis le 4 mai 2018 Dix-sept fissures ont \u00e9t\u00e9 r\u00e9pertori\u00e9es sur 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\/2018\/05\/hawaiian-volcano-kilauea.jpg?fit=900%2C602&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/05\/hawaiian-volcano-kilauea.jpg?fit=900%2C602&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/05\/hawaiian-volcano-kilauea.jpg?fit=900%2C602&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2018\/05\/hawaiian-volcano-kilauea.jpg?fit=900%2C602&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":6702,"url":"https:\/\/www.laterredufutur.com\/accueil\/images-impressionnantes-du-piton-de-la-fournaise\/","url_meta":{"origin":2088,"position":1},"title":"Images impressionnantes du Piton de la Fournaise","author":"Admin","date":"19 mai 2015","format":false,"excerpt":"Le Piton de la Fournaise, qui avait donn\u00e9 de l\u00e9gers signes de r\u00e9veil la semaine derni\u00e8re, est entr\u00e9 en \u00e9ruption dimanche 17 mai 2015 en milieu de journ\u00e9e \u00e0 La R\u00e9union. L'acc\u00e8s \u00e0 la partie haute de l'enclos du volcan a \u00e9t\u00e9 imm\u00e9diatement interdit au public. https:\/\/www.youtube.com\/watch?v=biSh_kBTMOI https:\/\/www.youtube.com\/watch?v=YbMP9ww6cWI Images impressionnantes\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\/piton-de-la-fournaise1.jpg?fit=851%2C470&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/piton-de-la-fournaise1.jpg?fit=851%2C470&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/piton-de-la-fournaise1.jpg?fit=851%2C470&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/05\/piton-de-la-fournaise1.jpg?fit=851%2C470&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":7904,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-piton-de-la-fournaise-est-entre-en-eruption\/","url_meta":{"origin":2088,"position":2},"title":"Le piton de la Fournaise est entr\u00e9 en \u00e9ruption","author":"Admin","date":"31 juillet 2015","format":false,"excerpt":"Le Piton de la Fournaise est entr\u00e9 en \u00e9ruption \u00e0 La R\u00e9union vendredi 31 juillet vers 9h30\u00a0heures, heure locale (7h30 heures en France), a annonc\u00e9 la pr\u00e9fecture de La R\u00e9union dans un communiqu\u00e9. Une reconnaissance est en cours pour pr\u00e9ciser la localisation de l\u2019\u00e9ruption. \u00ab D\u2019apr\u00e8s les renseignements fournis par\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\/07\/piton-de-la-fournaise-reunion.jpg?fit=650%2C365&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/piton-de-la-fournaise-reunion.jpg?fit=650%2C365&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/07\/piton-de-la-fournaise-reunion.jpg?fit=650%2C365&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":18426,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-le-piton-de-fournaise-est-entre-en-eruption\/","url_meta":{"origin":2088,"position":3},"title":"Le volcan le piton de Fournaise est entr\u00e9 en \u00e9ruption","author":"Admin","date":"18 f\u00e9vrier 2019","format":false,"excerpt":"Le Piton de la Fournaise est entr\u00e9 en \u00e9ruption ce lundi 18 f\u00e9vrier \u00e0 9h48.\u00a0L\u2019analyse des donn\u00e9es et les observations de panache depuis nos cam\u00e9ras montrent que la ou les fissure(s) \u00e9ruptives se sont ouvertes dans le secteur du crat\u00e8re Dolomieu, secteur nord nord-est \u00e0 une altitude \u00e9lev\u00e9e pour l\u2019instant.\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\/02\/piton-fournaise-volcan-la-reunion.jpg?fit=650%2C365&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/piton-fournaise-volcan-la-reunion.jpg?fit=650%2C365&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/piton-fournaise-volcan-la-reunion.jpg?fit=650%2C365&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":2444,"url":"https:\/\/www.laterredufutur.com\/accueil\/leruption-du-piton-de-la-fournaise-offre-un-sublime-spectacle-aux-reunionnais\/","url_meta":{"origin":2088,"position":4},"title":"L\u2019\u00e9ruption du Piton de la Fournaise offre un sublime spectacle aux R\u00e9unionnais","author":"Admin","date":"5 f\u00e9vrier 2015","format":false,"excerpt":"Un spectacle \u00e0 couper le souffle. Mercredi, aux alentours de 11h, le Piton de la Fournaise, volcan situ\u00e9 sur l\u2019\u00cele de La R\u00e9union dans l\u2019Oc\u00e9an Indien, est entr\u00e9 en \u00e9ruption. Pour le plus grand bonheur des R\u00e9unionnais, qui se pressent g\u00e9n\u00e9ralement dans les routes et sentiers environnants encore accessibles 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\/wordpress\/wp-content\/uploads\/2015\/02\/laterredufutur.com_photos_eruption-piton-fournaise-filmee-4-fevrier-2015-1.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":14126,"url":"https:\/\/www.laterredufutur.com\/accueil\/voici-21-volcans-qui-ont-explose-depuis-ces-dernieres-annees\/","url_meta":{"origin":2088,"position":5},"title":"Voici 21 volcans qui ont explos\u00e9 depuis ces derni\u00e8res ann\u00e9es","author":"Admin","date":"11 d\u00e9cembre 2016","format":false,"excerpt":"Voici 23 volcans qui ont explos\u00e9 depuis ces derni\u00e8res ann\u00e9es. Tout ceci d\u00e9montre en toute simplicit\u00e9 que la Terre est tr\u00e8s loin d'\u00eatre calme.\u00a0 Le volcan Turrialba crachant fum\u00e9e et cendres le 20 mai 2016 au Costa Rica. Son explosion aurait \u00e9t\u00e9 la plus forte depuis 6 ans au Costa\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\/11\/bardarbunga-volcan.jpg?fit=980%2C552&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/11\/bardarbunga-volcan.jpg?fit=980%2C552&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/11\/bardarbunga-volcan.jpg?fit=980%2C552&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/11\/bardarbunga-volcan.jpg?fit=980%2C552&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/2088","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=2088"}],"version-history":[{"count":0,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/2088\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/2084"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=2088"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=2088"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=2088"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}