{"id":19368,"date":"2019-07-10T09:41:56","date_gmt":"2019-07-10T07:41:56","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=19368"},"modified":"2019-07-10T09:41:56","modified_gmt":"2019-07-10T07:41:56","slug":"vagues-du-tremblement-de-terre-de-la-californie-a-travers-le-reseau-sismique-usarray","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/vagues-du-tremblement-de-terre-de-la-californie-a-travers-le-reseau-sismique-usarray\/","title":{"rendered":"Vagues du tremblement de terre de la Californie \u00e0 travers le r\u00e9seau sismique Usarray"},"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>Regardez les vagues du tremblement de terre M7.1 en Californie du Sud d\u00e9ferler sur le r\u00e9seau sismique USArray (http:\/\/www.usarray.org) ! #Tremblement de terre de SoCalEarth<\/p>\n<p>Cette animation, appel\u00e9e Visualisation du mouvement du sol (GMV), montre le mouvement du sol tel qu&rsquo;il est d\u00e9tect\u00e9 sur les sismom\u00e8tres USArray &#8211; chaque point est une station sismique et quand le sol monte, il devient rouge et quand il descend, devient bleu. Les ondes sismiques se d\u00e9placent autour et \u00e0 travers la terre, mais elles deviennent plus petites (s&rsquo;att\u00e9nuent) lorsqu&rsquo;elles s&rsquo;\u00e9loignent de l&#8217;emplacement du s\u00e9isme, tout comme les vagues dans un \u00e9tang. Une fois que les ondes sismiques sont suffisamment \u00e9loign\u00e9es de l&rsquo;endroit o\u00f9 le s\u00e9isme s&rsquo;est produit, elles ne peuvent plus \u00eatre ressenties par les gens, MAIS elles peuvent encore \u00eatre d\u00e9tect\u00e9es par des instruments sismiques sensibles.<\/p>\n<p>C&rsquo;est ce que montre cette animation : les ondes du tremblement de terre californien qui traversent la terre et la surface de la terre. Le tremblement s&rsquo;est fait sentir dans tout le Sud-Ouest, mais il a \u00e9t\u00e9 mesur\u00e9 dans le monde entier.<\/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\/mFriQiAfpWc?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><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>L&rsquo;\u00e9chelle est en bas. Il est en microm\u00e8tres (microns). Pour r\u00e9f\u00e9rence, le diam\u00e8tre d&rsquo;un cheveu humain est d&rsquo;environ 50 microns. Bien que ce tremblement de terre ait \u00e9t\u00e9 largement ressenti dans le sud-ouest, personne dans le Midwest ou le sud-est ne l&rsquo;aurait ressenti.<\/p>\n<p>Certains instruments semblent trembler avant l&rsquo;arriv\u00e9e des vagues (comme dans le Pacifique Nord-Ouest). Ceci est d\u00fb au r\u00e9glage de l&rsquo;animation et \u00e0 l&rsquo;\u00e9talonnage de l&rsquo;instrument sismique.<\/p>\n<p>Il y a tr\u00e8s peu de stations au Canada parce qu&rsquo;il s&rsquo;agit d&rsquo;un r\u00e9seau sismique am\u00e9ricain. Le Canada poss\u00e8de ses propres r\u00e9seaux sismiques. Bien que toutes les donn\u00e9es sismiques soient librement partag\u00e9es, elles ne sont pas toutes utilis\u00e9es dans cette animation.<\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\" rel=\"noopener noreferrer\">La Terre du Futur<\/a><\/p>\n<p>sources : <a href=\"http:\/\/ds.iris.edu\" target=\"_blank\" rel=\"noopener noreferrer\">http:\/\/ds.iris.edu<\/a> \/ <a href=\"https:\/\/www.facebook.com\/IRISEarthquake\/\" target=\"_blank\" rel=\"noopener noreferrer\">IRISEarthquake<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"19368\">(629)<\/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>Regardez les vagues du tremblement de terre M7.1 en Californie du Sud d\u00e9ferler sur le r\u00e9seau sismique USArray (http:\/\/www.usarray.org) !&#8230;<\/p>\n","protected":false},"author":1,"featured_media":19369,"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":"Vagues du tremblement de terre de la Californie \u00e0 travers le r\u00e9seau sismique Usarray @laterredufutur.com","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":[886,7211,111,347,104,259,684],"class_list":["post-19368","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","tag-californie","tag-iris","tag-ondes","tag-seisme","tag-tremblement-de-terre","tag-usa","tag-video","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/07\/ondes-sismiques-seisme-californie-6juillet2019.jpg?fit=563%2C485&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-52o","jetpack-related-posts":[{"id":26694,"url":"https:\/\/www.laterredufutur.com\/accueil\/tremblements-de-terre-faits-concernant-les-mouvements-de-la-terre\/","url_meta":{"origin":19368,"position":0},"title":"Tremblements de terre : Faits concernant les mouvements de la Terre","author":"Admin","date":"13 f\u00e9vrier 2025","format":false,"excerpt":"D\u00e9couvrez des faits int\u00e9ressants sur l'ampleur des tremblements de terre, les raisons pour lesquelles ils se produisent et pourquoi ils sont si difficiles \u00e0 pr\u00e9voir. La cro\u00fbte terrestre est la couche la plus externe de la plan\u00e8te. Elle est constitu\u00e9e de roches solides et repose sur une autre couche, appel\u00e9e\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\/05\/seisme-chili-1960-tsunami.jpg?fit=1200%2C675&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/seisme-chili-1960-tsunami.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/seisme-chili-1960-tsunami.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/seisme-chili-1960-tsunami.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2021\/05\/seisme-chili-1960-tsunami.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":26134,"url":"https:\/\/www.laterredufutur.com\/accueil\/de-puissantes-tempetes-pourraient-etre-a-lorigine-de-tremblements-de-terre-au-large-des-cotes\/","url_meta":{"origin":19368,"position":1},"title":"De puissantes temp\u00eates pourraient \u00eatre \u00e0 l&rsquo;origine de \u00ab tremblements de terre \u00bb au large des c\u00f4tes","author":"Admin","date":"11 ao\u00fbt 2024","format":false,"excerpt":"Les fortes houles oc\u00e9aniques mart\u00e8lent les cr\u00eates du plancher oc\u00e9anique et produisent des secousses semblables \u00e0 celles d'un tremblement de terre. La revue Geophysical Research Letters fait la description d\u2019un nouveau ph\u00e9nom\u00e8ne g\u00e9ophysique : \"les tremblements de temp\u00eate\", ou stormquakes, des s\u00e9ismes g\u00e9n\u00e9r\u00e9s par des temp\u00eates. Les chercheurs de l'Universit\u00e9\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\/2024\/07\/Tempete.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\/07\/Tempete.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/07\/Tempete.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/07\/Tempete.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":13501,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-essaim-de-tremblements-de-terre-a-salton-sea-augmente-le-risque-dun-seisme-majeur-sur-la-faille-de-san-andreas\/","url_meta":{"origin":19368,"position":2},"title":"Un essaim de tremblements de terre \u00e0 Salton Sea augmente le risque d&rsquo;un seisme majeur sur la faille de San Andreas","author":"Admin","date":"1 octobre 2016","format":false,"excerpt":"La Californie se pr\u00e9pare \u00e0 un s\u00e9isme majeur\u00a0autour de la faille de San Andreas. Le risque du \"Big One\" se fait sentir. Il s'agit du nom donn\u00e9 \u00e0 un tremblement de terre sur la c\u00f4te Ouest. La Californie est en \u00e9tat d'alerte. Cette semaine, une activit\u00e9 sismique inhabituelle autour 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\/2016\/10\/seismes-salton-sea-big-one.jpg?fit=750%2C422&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/seismes-salton-sea-big-one.jpg?fit=750%2C422&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/seismes-salton-sea-big-one.jpg?fit=750%2C422&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/10\/seismes-salton-sea-big-one.jpg?fit=750%2C422&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":5052,"url":"https:\/\/www.laterredufutur.com\/accueil\/lactivite-sismique-augmente-dans-les-profondeurs-de-la-californie\/","url_meta":{"origin":19368,"position":3},"title":"L&rsquo;activit\u00e9 sismique augmente dans les profondeurs de la Californie","author":"Admin","date":"9 octobre 2009","format":false,"excerpt":"Des chercheurs ont d\u00e9couvert que le nombre de secousses profondes, sous la faille californienne de San Andreas \u00e9tait en augmentation, et pourrait annoncer un s\u00e9isme dans un avenir proche, selon une \u00e9tude \u00e0 para\u00eetre vendredi dans la revue am\u00e9ricaine Science. Le sismologue Robert Nadeau, de l'Universit\u00e9 de Berkeley, a enregistr\u00e9\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\/04\/faille-san-adreas.jpg?fit=270%2C372&ssl=1&resize=350%2C200","width":350,"height":200},"classes":[]},{"id":24725,"url":"https:\/\/www.laterredufutur.com\/accueil\/seisme-en-turquie-istanbul-en-ligne-de-mire\/","url_meta":{"origin":19368,"position":4},"title":"S\u00e9isme en Turquie, Istanbul en ligne de mire ?","author":"Admin","date":"7 f\u00e9vrier 2023","format":false,"excerpt":"Environ 24 heures apr\u00e8s que deux tr\u00e8s forts s\u00e9ismes ont frapp\u00e9 le sud-est de la Turquie, les \u00e9quipes de secours tentent toujours de d\u00e9gager les survivants des d\u00e9combres des b\u00e2timents effondr\u00e9s. On sait que plus de 4300 personnes ont \u00e9t\u00e9 tu\u00e9es dans le s\u00e9isme, qui a secou\u00e9 la r\u00e9gion lundi\u2026","rel":"","context":"Dans &quot;Ev\u00e8nement Brutal&quot;","block_context":{"text":"Ev\u00e8nement Brutal","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/evenement-brutal\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/02\/seismes-turquie-3.jpg?fit=1024%2C576&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/02\/seismes-turquie-3.jpg?fit=1024%2C576&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/02\/seismes-turquie-3.jpg?fit=1024%2C576&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/02\/seismes-turquie-3.jpg?fit=1024%2C576&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":18292,"url":"https:\/\/www.laterredufutur.com\/accueil\/la-caraibe-est-elle-sous-la-menace-dun-important-tremblement-de-terre\/","url_meta":{"origin":19368,"position":5},"title":"La Cara\u00efbe est-elle sous la menace d&rsquo;un important tremblement de terre ?","author":"Admin","date":"7 f\u00e9vrier 2019","format":false,"excerpt":"Neuf ans apr\u00e8s le tremblement de terre catastrophique en Ha\u00efti, les experts du Centre de Recherche Sismique situ\u00e9 sur le campus de l\u2019Universit\u00e9 des West Indies \u00e0 Trinidad et Tobago, estiment que la Cara\u00efbe doit encore se pr\u00e9parer \u00e0 un important s\u00e9isme. La terre tremble tout le temps dans 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\/2019\/02\/seisme-haiti.jpg?fit=1024%2C647&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/seisme-haiti.jpg?fit=1024%2C647&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/seisme-haiti.jpg?fit=1024%2C647&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/02\/seisme-haiti.jpg?fit=1024%2C647&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/19368","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=19368"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/19368\/revisions"}],"predecessor-version":[{"id":19370,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/19368\/revisions\/19370"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/19369"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=19368"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=19368"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=19368"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}