{"id":2768,"date":"2005-04-04T19:39:48","date_gmt":"2005-04-04T17:39:48","guid":{"rendered":"http:\/\/www.laterredufutur.com\/wordpress\/?p=2768"},"modified":"2026-06-21T10:04:04","modified_gmt":"2026-06-21T08:04:04","slug":"lindonesie-sous-la-menace-dun-super-volcan","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/lindonesie-sous-la-menace-dun-super-volcan\/","title":{"rendered":"L&rsquo;Indon\u00e9sie sous la menace d&rsquo;un super volcan"},"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 align=\"justify\">Un scientifique australien a mis en garde vendredi contre la menace d&rsquo;un puissant volcan en Indon\u00e9sie, dont l&rsquo;\u00e9ruption pourrait faire des millions de victimes, alors que le pays vient de subir deux violents s\u00e9ismes en trois mois.<\/p>\n<p>Le professeur Ray Cas du d\u00e9partement de g\u00e9oscience de l&rsquo;universit\u00e9 Monash a indiqu\u00e9 que le plus puissant volcan du monde \u00e9tait celui du lac Toba, sur l&rsquo;\u00eele indon\u00e9sienne de Sumatra, au large de laquelle se sont r\u00e9cemment produits deux violents s\u00e9ismes, dont une secousse lundi dernier qui a fait 1.300 morts environ&#8230;<\/p>\n<p>Il a indiqu\u00e9 \u00e0 la presse australienne que le Toba se situait sur une faille au centre de Sumatra, \u00e0 l&rsquo;endroit m\u00eame o\u00f9 des sismologues ont indiqu\u00e9 qu&rsquo;un troisi\u00e8me s\u00e9isme pourrait se produire apr\u00e8s le tremblement de terre du 26 d\u00e9cembre d&rsquo;une magnitude de 9,3 sur l&rsquo;\u00e9chelle de Richter et celui de lundi, d&rsquo;une magnitude de 8,7.de 8,7.<\/p>\n<p>Ces s\u00e9ismes se sont produits le long de failles juste au large de la c\u00f4te occidentale de Sumatra et ont engendr\u00e9 des contraintes sismiques qui pourraient acc\u00e9l\u00e9r\u00e9 une \u00e9ventuelle \u00e9ruption du Toba.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/Toba1.jpeg\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/Toba1.jpeg?resize=200%2C180\" alt=\"\" width=\"200\" height=\"180\" align=\"left\"\/><\/span><\/a>Ray Cas a indiqu\u00e9 que la derni\u00e8re \u00e9ruption du Toba il y a environ 73.000 ans avait \u00e9t\u00e9 si puissante qu&rsquo;elle avait boulevers\u00e9 l&rsquo;ensemble du climat de la plan\u00e8te.<\/p>\n<p>\u00ab\u00a0L&rsquo;\u00e9ruption a rel\u00e2ch\u00e9 dans l\u2019atmosph\u00e8re 1.000 km3 de cendres et de d\u00e9bris rocheux, dont la plupart sous forme de fines cendres qui ont plong\u00e9 la Terre dans l&rsquo;obscurit\u00e9, renvoyant le monde \u00e0 l&rsquo;\u00e2ge de glace\u00a0\u00bb, a-t-il d\u00e9clar\u00e9.<\/p>\n<p>Le scientifique a indiqu\u00e9 que ces super volcans constituaient la plus grande menace pour la terre, \u00ab\u00a0la seule \u00e0 surpasser celle de l&rsquo;impact d&rsquo;un ast\u00e9ro\u00efde\u00a0\u00bb.<\/p>\n<p>\u00ab\u00a0Un super volcan entrera forc\u00e9ment en \u00e9ruption. \u00c7a peut \u00eatre dans quelques ann\u00e9es, dans cinquante ou dans mille ans mais un jour ou l&rsquo;autre l&rsquo;un d&rsquo;eux explosera\u00a0\u00bb.<strong><span style=\"color: #ff9900;\"><br \/>\n<\/span><\/strong><\/p>\n<p align=\"justify\"><strong><span style=\"color: #ff2b2b; font-size: small;\">Mais qui est il ce volcan ?<\/span><\/strong><\/p>\n<p align=\"justify\"><span style=\"color: #ff2b2b; font-size: small;\"><a href=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/Toba_Sumatra.jpeg\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/Toba_Sumatra.jpeg?resize=200%2C150\" alt=\"\" width=\"200\" height=\"150\" align=\"left\"\/><\/a><\/span><\/p>\n<p>Un volcan est un endroit du globe qui est le si\u00e8ge de ph\u00e9nom\u00e8nes catastrophiques plus ou moins fr\u00e9quents. L&rsquo;\u00e9coulement de la lave se r\u00e9f\u00e8re \u00e0 l&rsquo;aspect local. Bien s\u00fbr, cela tue des gens, cela d\u00e9truits des villages, des r\u00e9coltes mais la dangerosit\u00e9 d&rsquo;un volcan se chiffre par le volume de ses rejets, en particulier des cendres \u00e9mises. La vulcanologie a fait pas mal de progr\u00e8s depuis des d\u00e9cennies. Disons qu&rsquo;on s&rsquo;est soudain int\u00e9ress\u00e9s \u00e0 ce qu&rsquo;on a appel\u00e9 des \u00ab\u00a0super-volcans\u00a0\u00bb, des formations dont les manifestations sont susceptible de changer jusqu&rsquo;au visage m\u00eame de la plan\u00e8te. Le site o\u00f9 s&rsquo;est produite il y a 74.000 ans la derni\u00e8re \u00e9ruption du m\u00e9gavolcan Toba, dans l&rsquo;\u00eele de Sumatra est actuellement occup\u00e9 par un lac. Le super volcan Toba explosa voici 74000 ans, juste au milieu de cette p\u00e9riode. La super \u00e9ruption de Toba conduisit \u00e0 l&rsquo;extinction de la plupart des \u00eatres humains. Rappelons qu&rsquo;\u00e0 cette \u00e9poque l&rsquo;homme avait d\u00e9j\u00e0 conquit la plupart des terres immerg\u00e9es d&rsquo;Afrique, d&rsquo;Europe, d&rsquo;Am\u00e9rique et d&rsquo;Asie, et voici 500000 ans la population comptait d\u00e9j\u00e0 plusieurs millions d&rsquo;\u00e2mes. Avant l&rsquo;explosion on pense que des centaines d&rsquo;esp\u00e8ces d&rsquo;hominid\u00e9s plus ou moins ramifi\u00e9es et affili\u00e9es vivaient sur Terre. Apr\u00e8s l&rsquo;explosion une seule esp\u00e8ce aurait surv\u00e9cu, celle qui aboutit \u00e0 l&rsquo;homo sapiens.<\/p>\n<p align=\"justify\"><strong><span style=\"color: #ff9900; font-size: small;\">Le Volcan de Toba a la&nbsp;<span style=\"line-height: 19.5px;\">particularit\u00e9<\/span>&nbsp;d&rsquo;avoir le crat\u00e8re le plus grand du monde.<\/span><\/strong><\/p>\n<p>Ce volcan baigne dans un endroit idyllique actuellement<\/p>\n<p align=\"justify\"><span style=\"font-size: small;\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/fig2-3.jpeg?resize=708%2C456\" alt=\"\" width=\"708\" height=\"456\"\/><\/span><\/p>\n<p align=\"justify\"><span style=\"font-size: small;\">sources : <\/span>http:\/\/forums-meteonews.com <span style=\"font-size: small;\">\/ <\/span>http:\/\/www.jp-petit.com\/Yellowstone\/Yellowstone1.htm<span style=\"font-size: small;\">&nbsp;\/ <\/span>http:\/\/forums.futura-sciences.com\/showthread.php?t=14119&amp;page=1<span style=\"font-size: small;\"> \/&nbsp;<\/span>http:\/\/www.andaman.org\/book\/app-r\/ch2_today\/textr2.htm<span style=\"font-size: small;\">&nbsp; \/ <\/span>http:\/\/www.geolsoc.org.uk\/template.cfm?name=Super3<\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"2768\">(1442)<\/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>Un scientifique australien a mis en garde vendredi contre la menace d&rsquo;un puissant volcan en Indon\u00e9sie, dont l&rsquo;\u00e9ruption pourrait faire&#8230;<\/p>\n","protected":false},"author":1,"featured_media":29118,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"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_feature_clip_id":0,"_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":[950,2535,949,2188,666,106,104,48],"class_list":["post-2768","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-chambre-magmatique","tag-faille","tag-magma","tag-menace","tag-sumatra","tag-toba","tag-tremblement-de-terre","tag-volcan","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2005\/04\/seismes-sumatra-de-2004-et-2005.png?fit=1300%2C1209&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-IE","jetpack-related-posts":[{"id":22237,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-seisme-de-magnitude-5-2-secoue-la-caldeira-de-toba-dans-le-nord-de-sumatra\/","url_meta":{"origin":2768,"position":0},"title":"Un s\u00e9isme de magnitude 5,2 secoue la caldeira de Toba dans le nord de Sumatra","author":"Admin","date":"28 mars 2021","format":false,"excerpt":"Medan (ANTARA) - Un tremblement de terre de magnitude 5,2 a secou\u00e9 samedi 27 mars 2021 la caldeira de Toba, au nord de Sumatra, \u00e0 15 h 46, heure en Indon\u00e9sie occidentale (WIB), selon l'Agence de m\u00e9t\u00e9orologie, de climatologie et de g\u00e9ophysique (BMKG). \u00c0 en juger par l'\u00e9picentre et la\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\/2021\/03\/seisme-toba-28mars2021.jpg?fit=1050%2C480&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/seisme-toba-28mars2021.jpg?fit=1050%2C480&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/seisme-toba-28mars2021.jpg?fit=1050%2C480&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/seisme-toba-28mars2021.jpg?fit=1050%2C480&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/03\/seisme-toba-28mars2021.jpg?fit=1050%2C480&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":534,"url":"https:\/\/www.laterredufutur.com\/accueil\/supervolcan-toba\/","url_meta":{"origin":2768,"position":1},"title":"Supervolcan Toba","author":"Admin","date":"15 septembre 2011","format":false,"excerpt":"Le 05 Septembre 2011 \u00e0 17 h 55 Temps Universel, le 06 Septembre 2011 \u00e0 00 h 55 Heure locale, un tremblement de terre de magnitude du Moment Mw 6.6 pour le Centre Sismologique Euro-M\u00e9diterran\u00e9en, - CSEM -, 6.5 r\u00e9vis\u00e9e 6.6 pour l'United States Geological Survey, - USGS -, et\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":"lac toba","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/wordpress\/wp-content\/uploads\/2011\/09\/toba.jpg?resize=350%2C200","width":350,"height":200},"classes":[]},{"id":5315,"url":"https:\/\/www.laterredufutur.com\/accueil\/sumatra-menace-par-un-nouveau-tsunami\/","url_meta":{"origin":2768,"position":2},"title":"Sumatra menac\u00e9 par un nouveau tsunami","author":"Admin","date":"5 avril 2010","format":false,"excerpt":"Le 26 d\u00e9cembre 2004, un tsunami a d\u00e9vast\u00e9 l\u2019Asie du Sud. C'est un tremblement de terre d'une magnitude de 9,1 \u00e0 9,3 qui a engendr\u00e9 ce raz-de-mar\u00e9e. Cette catastrophe a \u00e9t\u00e9 une des plus lourdes en vie humaine. Le bilan officiel a fait \u00e9tat d'au minimum 222 000 victimes. 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\/spaw\/images\/sumatra.jpg?resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/sumatra.jpg?resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/spaw\/images\/sumatra.jpg?resize=525%2C300 1.5x"},"classes":[]},{"id":1053,"url":"https:\/\/www.laterredufutur.com\/accueil\/sumatra-11-avril-2012-un-seisme-pas-comme-les-autres\/","url_meta":{"origin":2768,"position":3},"title":"Sumatra, 11 avril 2012 : un s\u00e9isme pas comme les autres","author":"Admin","date":"27 septembre 2012","format":false,"excerpt":"D'apr\u00e8s plusieurs \u00e9quipes de chercheurs, la plaque indo-australienne serait en train de se fracturer en deux. Explications. 11 avril 2012, 10 h 38 (heure de Paris), un violent s\u00e9isme de magnitude 8,7 secoue l'\u00eele de Sumatra en Indon\u00e9sie et d\u00e9clenche aussit\u00f4t une alerte au tsunami sur l'ensemble de l'oc\u00e9an Indien.\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":7216,"url":"https:\/\/www.laterredufutur.com\/accueil\/augmentation-sismique-et-fumerolles-sur-la-caldeira-du-toba\/","url_meta":{"origin":2768,"position":4},"title":"Augmentation sismique et fumerolles sur la caldeira du Toba","author":"Admin","date":"7 juin 2015","format":false,"excerpt":"Caldeira du Toba, en Indon\u00e9sie.\u00a0Augmentation sismique et fumerolles .- Ce grand syst\u00e8me volcanique montre des signes d'activit\u00e9, ce qui n'a rien de surprenant, car il contient une chambre magmatique \u00e9norme et marque\u00a0ces derniers jours des micros\u00e9ismes et des \u00e9missions de fumerolles. Avec des dimensions de 100 km sur \u00a035 km,\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\/06\/toba_caldeira1.jpg?fit=1024%2C768&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/toba_caldeira1.jpg?fit=1024%2C768&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/toba_caldeira1.jpg?fit=1024%2C768&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/06\/toba_caldeira1.jpg?fit=1024%2C768&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":11276,"url":"https:\/\/www.laterredufutur.com\/accueil\/lindonesie-frappee-par-un-seisme-de-magnitude-7-9-qui-declenche-une-alerte-au-tsunami\/","url_meta":{"origin":2768,"position":5},"title":"L&rsquo;Indon\u00e9sie frapp\u00e9e par un s\u00e9isme de magnitude 7.9, qui d\u00e9clenche une alerte au tsunami","author":"Admin","date":"2 mars 2016","format":false,"excerpt":"Un puissant s\u00e9isme de magnitude 7,9 a touch\u00e9 l'Indon\u00e9sie ce mercredi 2 mars 2016 et une alerte au tsunami avait \u00e9t\u00e9 d\u00e9clench\u00e9e en Indon\u00e9sie puis en Australie. Le foyer du tremblement de terre se trouvait \u00e0 10 km de profondeur sur l'\u00eele de Sumatra, \u00e0 l'ouest du pays. Apr\u00e8s que\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\/03\/tremblement-de-terre-indon%C3%A9sie.png?fit=1200%2C741&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/tremblement-de-terre-indon%C3%A9sie.png?fit=1200%2C741&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/tremblement-de-terre-indon%C3%A9sie.png?fit=1200%2C741&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/tremblement-de-terre-indon%C3%A9sie.png?fit=1200%2C741&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/03\/tremblement-de-terre-indon%C3%A9sie.png?fit=1200%2C741&ssl=1&resize=1050%2C600 3x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/2768","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=2768"}],"version-history":[{"count":8,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/2768\/revisions"}],"predecessor-version":[{"id":29121,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/2768\/revisions\/29121"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/29118"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=2768"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=2768"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=2768"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}