{"id":608,"date":"2014-02-27T14:04:49","date_gmt":"2014-02-27T13:04:49","guid":{"rendered":"https:\/\/asal.dz\/?p=608"},"modified":"2018-12-24T09:59:03","modified_gmt":"2018-12-24T08:59:03","slug":"le-volcan-sinabung-en-eruption-vu-par-alsat-2a","status":"publish","type":"post","link":"https:\/\/asal.dz\/?p=608","title":{"rendered":"Le volcan Sinabung en \u00e9ruption vu par Alsat-2A"},"content":{"rendered":"<p class=\"Style125\" align=\"justify\">Le Sinabung, situ\u00e9 sur l&rsquo;ile de Sumatra au Nord-Ouest de l\u2019Indon\u00e9sie, \u00e0 une altitude de 2460 m\u00e8tres, est entr\u00e9 en activit\u00e9 les 1 et 3 f\u00e9vrier 2014 en envoyant des roches et des cendres chaudes jusqu&rsquo;\u00e0\u00a0 \u00a02 000 m\u00e8tres d&rsquo;altitude.<\/p>\n<p class=\"Style123\" align=\"justify\">Ce volcan, de type Stratovolcan complexe, \u00a0a commenc\u00e9 son \u00e9dification au pl\u00e9istoc\u00e8ne. Les volcanologues ont divis\u00e9 sa formation en deux \u00e9tapes distinctes, sur la base de donn\u00e9es topographiques et g\u00e9ochimiques. La premi\u00e8re (\u00ab\u00a0ancienne\u00a0\u00bb) a fa\u00e7onn\u00e9 la partie Ouest du massif volcanique et est essentiellement faite d&rsquo;and\u00e9site. La seconde \u00e9labore la partie Est, est faite d&rsquo;and\u00e9site basique, dont la composition min\u00e9ralogique est diff\u00e9rente de celle de la premi\u00e8re \u00e9tape.<\/p>\n<p class=\"Style123\" align=\"justify\">Dans les deux cas, l&rsquo;activit\u00e9 a surtout produit des coul\u00e9es de lave \u00e9paisses mais aussi des \u00e9coulements pyroclastiques (m\u00e9lange \u00e0 haute temp\u00e9rature de gaz volcaniques, de vapeur d\u2019eau et de particules solides) associ\u00e9s \u00e0 la production de d\u00f4mes.<\/p>\n<p class=\"Style123\" align=\"justify\">Le Sinabung s\u2019\u00e9tait d\u00e9j\u00e0 r\u00e9veill\u00e9 en 2010 et en septembre 2013, apr\u00e8s environ quatre si\u00e8cles d&rsquo;inactivit\u00e9.<\/p>\n<p class=\"Style123\" align=\"justify\">11 jours apr\u00e8s l\u2019\u00e9ruption du volcan Sinabung, l\u2019image Alsat-2A montre le nuage de fum\u00e9e d\u00e9gag\u00e9 par le crat\u00e8re, la trace de la coul\u00e9e pyroclastique sur le flanc Sud Est, ainsi que les cendres blanch\u00e2tres qui ont recouvert les parcelles agricoles situ\u00e9es en aval, pr\u00e8s du village de Sukameriah.<\/p>\n<p class=\"Style123\" align=\"justify\">\n<p class=\"Style123\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/Sinabung3.JPG\" width=\"680\" height=\"510\" \/><\/p>\n<p class=\"Style123\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/Sinabung1.JPG\" width=\"680\" height=\"510\" \/><\/p>\n<p class=\"Style123\" align=\"center\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.asal.dz\/pictures\/Sinabung2.JPG\" width=\"680\" height=\"510\" \/><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le Sinabung, situ\u00e9 sur l&rsquo;ile de Sumatra au Nord-Ouest de l\u2019Indon\u00e9sie, \u00e0 une altitude de 2460 m\u00e8tres, est entr\u00e9 en activit\u00e9 les 1 et 3 f\u00e9vrier 2014 en envoyant des roches et des cendres chaudes jusqu&rsquo;\u00e0\u00a0 \u00a02 000 m\u00e8tres d&rsquo;altitude. Ce volcan, de type Stratovolcan complexe, \u00a0a commenc\u00e9 son \u00e9dification au pl\u00e9istoc\u00e8ne. Les volcanologues ont [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","rop_custom_images_group":[],"rop_custom_messages_group":[],"rop_publish_now":"initial","rop_publish_now_accounts":[],"rop_publish_now_history":[],"rop_publish_now_status":"pending","footnotes":""},"categories":[3],"tags":[],"class_list":["post-608","post","type-post","status-publish","format-standard","hentry","category-actualites"],"_links":{"self":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/608","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=608"}],"version-history":[{"count":0,"href":"https:\/\/asal.dz\/index.php?rest_route=\/wp\/v2\/posts\/608\/revisions"}],"wp:attachment":[{"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=608"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=608"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/asal.dz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=608"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}