{"id":27075,"date":"2025-07-27T12:00:43","date_gmt":"2025-07-27T10:00:43","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=27075"},"modified":"2025-07-18T12:26:02","modified_gmt":"2025-07-18T10:26:02","slug":"limpact-dune-meteorite-geante-pourrait-avoir-declenche-un-glissement-de-terrain-massif-dans-le-grand-canyon-il-y-a-56-000-ans","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/limpact-dune-meteorite-geante-pourrait-avoir-declenche-un-glissement-de-terrain-massif-dans-le-grand-canyon-il-y-a-56-000-ans\/","title":{"rendered":"L&rsquo;impact d&rsquo;une m\u00e9t\u00e9orite g\u00e9ante pourrait avoir d\u00e9clench\u00e9 un glissement de terrain massif dans le Grand Canyon il y a 56 000 ans"},"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>Des chercheurs ont d\u00e9couvert un lien entre deux \u00e9v\u00e9nements g\u00e9ologiques dans des lieux embl\u00e9matiques du sud-ouest des \u00c9tats-Unis, dont les scientifiques ne pensaient auparavant pas qu&rsquo;ils avaient quelque chose \u00e0 voir l&rsquo;un avec l&rsquo;autre.<\/p>\n<p>L&rsquo;impact d&rsquo;une ancienne m\u00e9t\u00e9orite qui a form\u00e9 le crat\u00e8re Barringer en Arizona a envoy\u00e9 des ondes de choc \u00e0 travers le Grand Canyon, d\u00e9clenchant probablement un glissement de terrain qui a endigu\u00e9 le fleuve Colorado, sugg\u00e8re une nouvelle \u00e9tude.<\/p>\n<p>Le crat\u00e8re Barringer, \u00e9galement appel\u00e9 crat\u00e8re Meteor, s&rsquo;est form\u00e9 il y a entre 53 000 et 63 000 ans, lorsqu&rsquo;une \u00e9norme boule cosmique a perc\u00e9 un trou \u00e0 la surface de la Terre. La force de l&rsquo;impact a parcouru plus de 160 kilom\u00e8tres jusqu&rsquo;au Grand Canyon, provoquant l&rsquo;effondrement d&rsquo;une falaise enti\u00e8re dans la rivi\u00e8re, selon les scientifiques.<\/p>\n<figure id=\"attachment_27078\" aria-describedby=\"caption-attachment-27078\" style=\"width: 650px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"27078\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/limpact-dune-meteorite-geante-pourrait-avoir-declenche-un-glissement-de-terrain-massif-dans-le-grand-canyon-il-y-a-56-000-ans\/grand-canyon-meteorite-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?fit=650%2C366&amp;ssl=1\" data-orig-size=\"650,366\" 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=\"grand canyon meteorite\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Il y a 56 000 ans, un glissement de terrain massif a bloqu\u00e9 le fleuve Colorado dans le Grand Canyon. (Cr\u00e9dit image : kjetilporsboll \/ 500 px via Getty Images)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?fit=300%2C169&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?fit=650%2C366&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?resize=650%2C366&#038;ssl=1\" alt=\"\" width=\"650\" height=\"366\" class=\"size-full wp-image-27078\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?w=650&amp;ssl=1 650w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?resize=300%2C169&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?resize=580%2C326&amp;ssl=1 580w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?resize=174%2C98&amp;ssl=1 174w\" sizes=\"auto, (max-width: 650px) 100vw, 650px\" \/><figcaption id=\"caption-attachment-27078\" class=\"wp-caption-text\">Il y a 56 000 ans, un glissement de terrain massif a bloqu\u00e9 le fleuve Colorado dans le Grand Canyon. (Cr\u00e9dit image : kjetilporsboll \/ 500 px via Getty Images)<\/figcaption><\/figure>\n<p>La d\u00e9couverte, d\u00e9crite le 15 juillet dans la revue Geology, a permis de relier deux \u00e9v\u00e9nements majeurs que l&rsquo;on pensait totalement ind\u00e9pendants.<\/p>\n<p>\u00ab Il existe d&rsquo;autres possibilit\u00e9s, comme une chute de pierres al\u00e9atoire ou un tremblement de terre local dans les mille ans suivant l&rsquo;impact du crat\u00e8re de m\u00e9t\u00e9ore qui aurait pu se produire ind\u00e9pendamment \u00bb, a d\u00e9clar\u00e9 Karl Karlstrom , professeur de sciences de la Terre et des plan\u00e8tes \u00e0 l&rsquo;Universit\u00e9 du Nouveau-Mexique et auteur principal de l&rsquo;\u00e9tude, dans un communiqu\u00e9 .<\/p>\n<p>Mais les \u00e9v\u00e9nements d\u00e9crits sont extraordinaires, a d\u00e9clar\u00e9 Karlstrom \u2014 et ils se sont produits dans un laps de temps \u00e9trangement court, ce qui sugg\u00e8re qu\u2019ils \u00e9taient li\u00e9s.<\/p>\n<p>Les chercheurs savaient d\u00e9j\u00e0 que le fleuve Colorado avait inond\u00e9 le Grand Canyon \u00e0 la fin du Pl\u00e9istoc\u00e8ne (il y a 129 000 \u00e0 11 700 ans). Ils l&rsquo;ont d\u00e9termin\u00e9 en analysant des figurines animales sculpt\u00e9es dans du bois flott\u00e9, d\u00e9couvertes par le p\u00e8re de Karlstom et ses coll\u00e8gues dans une grotte appel\u00e9e Stanton&rsquo;s Cave dans les ann\u00e9es 1960, selon le communiqu\u00e9. Gr\u00e2ce aux techniques disponibles \u00e0 l&rsquo;\u00e9poque, les chercheurs ont dat\u00e9 le bois flott\u00e9 et d\u00e9couvert qu&rsquo;il avait plus de 35 000 ans. (Les figurines elles-m\u00eames ont \u00e9t\u00e9 sculpt\u00e9es il y a entre 3 000 et 4 000 ans.)<\/p>\n<p>La grotte de Stanton se trouve \u00e0 46 m\u00e8tres au-dessus du niveau de la rivi\u00e8re ; l&rsquo;eau a donc d\u00fb monter pour y d\u00e9poser du bois flott\u00e9, mais la raison reste inconnue. \u00ab Il aurait fallu une crue dix fois plus importante que toutes celles survenues au cours des derniers mill\u00e9naires \u00bb, a d\u00e9clar\u00e9 Karlstrom.<\/p>\n<figure id=\"attachment_27077\" aria-describedby=\"caption-attachment-27077\" style=\"width: 970px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"27077\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/limpact-dune-meteorite-geante-pourrait-avoir-declenche-un-glissement-de-terrain-massif-dans-le-grand-canyon-il-y-a-56-000-ans\/grand-canyon-meteorite-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-1.webp?fit=970%2C988&amp;ssl=1\" data-orig-size=\"970,988\" 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=\"grand canyon meteorite\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Des morceaux de bois flott\u00e9 dans plusieurs grottes du Grand Canyon ont indiqu\u00e9 une inondation.(Cr\u00e9dit image : Universit\u00e9 du Nouveau-Mexique)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-1.webp?fit=295%2C300&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-1.webp?fit=785%2C800&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-1.webp?resize=970%2C988&#038;ssl=1\" alt=\"\" width=\"970\" height=\"988\" class=\"size-full wp-image-27077\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-1.webp?w=970&amp;ssl=1 970w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-1.webp?resize=295%2C300&amp;ssl=1 295w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-1.webp?resize=785%2C800&amp;ssl=1 785w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-1.webp?resize=768%2C782&amp;ssl=1 768w\" sizes=\"auto, (max-width: 970px) 100vw, 970px\" \/><figcaption id=\"caption-attachment-27077\" class=\"wp-caption-text\">Des morceaux de bois flott\u00e9 dans plusieurs grottes du Grand Canyon ont indiqu\u00e9 une inondation.(Cr\u00e9dit image : Universit\u00e9 du Nouveau-Mexique)<\/figcaption><\/figure>\n<p>\u00ab \u00c9v\u00e9nements rares et inhabituels \u00bb<br \/>\nDes analyses ult\u00e9rieures utilisant des techniques plus avanc\u00e9es ont sugg\u00e9r\u00e9 que le bois flott\u00e9 datait de 43 500 ans, et la nouvelle \u00e9tude a repouss\u00e9 cette date encore plus loin, \u00e0 56 000 ans. La datation du bois flott\u00e9 a \u00e9t\u00e9 une \u00e9tape cruciale pour comprendre comment il est arriv\u00e9 \u00e0 la grotte de Stanton, a d\u00e9clar\u00e9 Karlstrom.<\/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>Mais les chercheurs avaient besoin de davantage de preuves pour compl\u00e9ter l&rsquo;\u00e9nigme, et ont donc explor\u00e9 des grottes similaires dans la r\u00e9gion. \u00ab Gr\u00e2ce \u00e0 de nombreux voyages de recherche, Karl et moi connaissions d&rsquo;autres grottes facilement accessibles contenant du bois flott\u00e9 et des s\u00e9diments datables \u00bb, a d\u00e9clar\u00e9 Laura Crossey , co-auteure de l&rsquo;\u00e9tude et professeure de sciences de la Terre et des plan\u00e8tes \u00e0 l&rsquo;Universit\u00e9 du Nouveau-Mexique, dans le communiqu\u00e9.<\/p>\n<figure id=\"attachment_27076\" aria-describedby=\"caption-attachment-27076\" style=\"width: 970px\" class=\"wp-caption alignnone\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"27076\" data-permalink=\"https:\/\/www.laterredufutur.com\/accueil\/limpact-dune-meteorite-geante-pourrait-avoir-declenche-un-glissement-de-terrain-massif-dans-le-grand-canyon-il-y-a-56-000-ans\/grand-canyon-meteorite\/\" data-orig-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite.webp?fit=970%2C672&amp;ssl=1\" data-orig-size=\"970,672\" 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=\"grand canyon meteorite\" data-image-description=\"\" data-image-caption=\"&lt;p&gt;Une conceptualisation du glissement de terrain pr\u00e8s du canyon de Nankoweap(Cr\u00e9dit image : Universit\u00e9 du Nouveau-Mexique)&lt;\/p&gt;\n\" data-medium-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite.webp?fit=300%2C208&amp;ssl=1\" data-large-file=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite.webp?fit=800%2C554&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite.webp?resize=970%2C672&#038;ssl=1\" alt=\"\" width=\"970\" height=\"672\" class=\"size-full wp-image-27076\" srcset=\"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite.webp?w=970&amp;ssl=1 970w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite.webp?resize=300%2C208&amp;ssl=1 300w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite.webp?resize=800%2C554&amp;ssl=1 800w, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite.webp?resize=768%2C532&amp;ssl=1 768w\" sizes=\"auto, (max-width: 970px) 100vw, 970px\" \/><figcaption id=\"caption-attachment-27076\" class=\"wp-caption-text\">Une conceptualisation du glissement de terrain pr\u00e8s du canyon de Nankoweap(Cr\u00e9dit image : Universit\u00e9 du Nouveau-Mexique)<\/figcaption><\/figure>\n<p>Plusieurs laboratoires ont examin\u00e9 les \u00e9chantillons de bois flott\u00e9 suppl\u00e9mentaires et tous ont fourni des dates compatibles avec une inondation survenue il y a 56 000 ans. L&#8217;emplacement des grottes sugg\u00e9rait qu&rsquo;il s&rsquo;agissait d&rsquo;un glissement de terrain pr\u00e8s du canyon de Nankoweap, en aval de la grotte de Stanton. Ce glissement de terrain pourrait avoir \u00e9t\u00e9 si important qu&rsquo;il a cr\u00e9\u00e9 un barrage sur le fleuve Colorado, formant un lac s&rsquo;\u00e9tendant sur des kilom\u00e8tres en amont. Par cons\u00e9quent, le niveau de l&rsquo;eau pourrait avoir suffisamment augment\u00e9 pour d\u00e9poser du bois flott\u00e9 dans les grottes, selon le communiqu\u00e9.<\/p>\n<p>\u00c0 peu pr\u00e8s au m\u00eame moment o\u00f9 ces r\u00e9sultats \u00e9taient publi\u00e9s, David Kring , co-auteur de l&rsquo;\u00e9tude et scientifique principal au Lunar and Planetary Institute de Houston, recalculait l&rsquo;\u00e2ge du crat\u00e8re Barringer. Les travaux de Kring ont montr\u00e9 que l&rsquo;impact de la m\u00e9t\u00e9orite s&rsquo;\u00e9tait produit il y a environ 56 000 ans, selon le communiqu\u00e9.<\/p>\n<p>Kring avait pr\u00e9c\u00e9demment calcul\u00e9 que l&rsquo;impact de la m\u00e9t\u00e9orite Barringer avait d\u00e9clench\u00e9 un s\u00e9isme de magnitude 5,4. Lorsque les chercheurs se sont r\u00e9unis pour travailler sur la nouvelle \u00e9tude, il a d\u00e9termin\u00e9 que l&rsquo;effet r\u00e9siduel au Grand Canyon aurait \u00e9t\u00e9 \u00e9quivalent \u00e0 celui d&rsquo;un s\u00e9isme de magnitude 3,5. Selon le communiqu\u00e9, cela aurait pu suffire \u00e0 d\u00e9sint\u00e9grer une falaise.<\/p>\n<p>\u00ab L&rsquo;\u00e9quipe a \u00e9labor\u00e9 ces arguments sans pr\u00e9tendre d\u00e9tenir de preuves d\u00e9finitives \u00bb, a d\u00e9clar\u00e9 Karlstrom. \u00ab N\u00e9anmoins, l&rsquo;impact de m\u00e9t\u00e9orite, le glissement de terrain massif, les d\u00e9p\u00f4ts lacustres et le bois flott\u00e9 bien au-dessus du niveau de la rivi\u00e8re sont autant de ph\u00e9nom\u00e8nes rares et inhabituels. \u00bb<\/p>\n<p>Avec des dates qui convergent toutes vers 56 000 ans, il semble cr\u00e9dible que les \u00e9v\u00e9nements soient li\u00e9s, a-t-il d\u00e9clar\u00e9.<\/p>\n<p>Adaptation <a href=\"https:\/\/www.laterredufutur.com\/accueil\/\" target=\"_blank\">Terra Projects<\/a><\/p>\n<p>Source : <a href=\"https:\/\/www.livescience.com\/planet-earth\/geology\/giant-meteor-impact-may-have-triggered-massive-grand-canyon-landslide-56-000-years-ago\" target=\"_blank\">https:\/\/www.livescience.com<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"27075\">(118)<\/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>Des chercheurs ont d\u00e9couvert un lien entre deux \u00e9v\u00e9nements g\u00e9ologiques dans des lieux embl\u00e9matiques du sud-ouest des \u00c9tats-Unis, dont les&#8230;<\/p>\n","protected":false},"author":1,"featured_media":27078,"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":"","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}},"categories":[33,22,19],"tags":[4696,967,347],"class_list":["post-27075","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-archeologie","category-espace","category-seismes-et-volcans","tag-grand-canyon","tag-meteorite","tag-seisme","wpcat-33-id","wpcat-22-id","wpcat-19-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/07\/grand-canyon-meteorite-2.webp?fit=650%2C366&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-72H","jetpack-related-posts":[{"id":27099,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-plus-grand-cratere-des-etats-unis-a-un-lien-surprenant-avec-le-grand-canyon\/","url_meta":{"origin":27075,"position":0},"title":"Le plus grand crat\u00e8re des \u00c9tats-Unis a un lien surprenant avec le Grand Canyon","author":"Admin","date":"6 ao\u00fbt 2025","format":false,"excerpt":"Deux des sites les plus c\u00e9l\u00e8bres de l'Arizona pourraient \u00eatre li\u00e9s par la violence cosmique : l' ast\u00e9ro\u00efde qui a creus\u00e9 le crat\u00e8re Meteor pourrait \u00e9galement avoir provoqu\u00e9 la formation d'un ancien lac dans le Grand Canyon. Ce lien surprenant entre les caract\u00e9ristiques g\u00e9ologiques de renomm\u00e9e mondiale de l'Arizona remonte\u2026","rel":"","context":"Dans &quot;Divers&quot;","block_context":{"text":"Divers","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/divers\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/meteor-cratere.jpg?fit=1024%2C415&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/meteor-cratere.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/meteor-cratere.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/08\/meteor-cratere.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":27738,"url":"https:\/\/www.laterredufutur.com\/accueil\/des-vestiges-dun-cratere-dimpact-le-plus-jeune-au-monde-reperes-dans-une-foret-chinoise\/","url_meta":{"origin":27075,"position":1},"title":"Des vestiges d&rsquo;un crat\u00e8re d&rsquo;impact \u00ab le plus jeune \u00bb au monde rep\u00e9r\u00e9s dans une for\u00eat chinoise","author":"Admin","date":"1 mars 2026","format":false,"excerpt":"Une photo satellite prise en 2021 montre le crat\u00e8re de Yilan r\u00e9cemment d\u00e9couvert en Chine, qui est tr\u00e8s probablement la plus jeune structure d'impact sur Terre. Cet anneau incomplet est \u00e9galement le plus grand de son genre et seulement le deuxi\u00e8me crat\u00e8re d'impact jamais d\u00e9couvert dans le pays. Cette impressionnante\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/cratere-Yilan-chaine-de-montagnes-des-Petits-Khingan.webp?fit=650%2C366&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/cratere-Yilan-chaine-de-montagnes-des-Petits-Khingan.webp?fit=650%2C366&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2026\/02\/cratere-Yilan-chaine-de-montagnes-des-Petits-Khingan.webp?fit=650%2C366&ssl=1&resize=525%2C300 1.5x"},"classes":[]},{"id":25297,"url":"https:\/\/www.laterredufutur.com\/accueil\/limpact-dune-comete-a-declenche-un-changement-massif-sur-terre-il-y-a-13-000-ans\/","url_meta":{"origin":27075,"position":2},"title":"L&rsquo;impact d&rsquo;une com\u00e8te a d\u00e9clench\u00e9 un changement massif sur Terre il y a 13 000 ans","author":"Admin","date":"21 octobre 2023","format":false,"excerpt":"Imaginez que vous soyez un chasseur-cueilleur il y a pr\u00e8s de 13 000 ans. Il cueillait des baies et chassait des animaux sauvages - quand soudain une gigantesque boule de feu apparu dans le ciel. Elle explosa dans un fracas assourdissant, envoyant des ondes de choc vers le sol et\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/comete-asteroide.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\/2023\/10\/comete-asteroide.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/comete-asteroide.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/comete-asteroide.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/comete-asteroide.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":20429,"url":"https:\/\/www.laterredufutur.com\/accueil\/on-a-retrouve-un-cratere-meteoritique-de-800000-ans\/","url_meta":{"origin":27075,"position":3},"title":"On a retrouv\u00e9 un crat\u00e8re m\u00e9t\u00e9oritique de 800000 ans","author":"Admin","date":"17 f\u00e9vrier 2020","format":false,"excerpt":"Il y a 800 000 ans, un m\u00e9t\u00e9ore percut\u00e9 la Terre. Les scientifiques viennent de trouver le crat\u00e8re. Les scientifiques savaient que l'impact s'\u00e9tait produit; ils ne savaient tout simplement pas o\u00f9. Il y a environ 790 000 ans, un m\u00e9t\u00e9ore a percut\u00e9 la Terre avec une telle force que\u2026","rel":"","context":"Dans &quot;Arch\u00e9ologie&quot;","block_context":{"text":"Arch\u00e9ologie","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/archeologie\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/meteorite.jpg?fit=1000%2C742&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/meteorite.jpg?fit=1000%2C742&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/meteorite.jpg?fit=1000%2C742&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/04\/meteorite.jpg?fit=1000%2C742&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26747,"url":"https:\/\/www.laterredufutur.com\/accueil\/quels-seraient-les-impacts-dune-meteorite-de-90m-sur-notre-monde\/","url_meta":{"origin":27075,"position":4},"title":"Quels seraient les impacts d&rsquo;une m\u00e9t\u00e9orite de 90m sur notre monde ?","author":"Admin","date":"7 mars 2025","format":false,"excerpt":"Ast\u00e9ro\u00efde 2024 YR4 : la Terre percut\u00e9e le 22 d\u00e9cembre 2032 ? Le risque que l'astre frappe notre plan\u00e8te au plus haut niveau jamais enregistr\u00e9 a encore augment\u00e9 passant de 1.2% \u00e0 2.3% puis \u00e0 3,1 % et est redescendu \u00e0 0,28% de chances de frapper la Terre en 2032,\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/comete-asteroide.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\/2023\/10\/comete-asteroide.jpg?fit=1200%2C675&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/comete-asteroide.jpg?fit=1200%2C675&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/comete-asteroide.jpg?fit=1200%2C675&ssl=1&resize=700%2C400 2x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2023\/10\/comete-asteroide.jpg?fit=1200%2C675&ssl=1&resize=1050%2C600 3x"},"classes":[]},{"id":27450,"url":"https:\/\/www.laterredufutur.com\/accueil\/une-meteorite-a-frappe-la-chine-il-y-a-11700-ans\/","url_meta":{"origin":27075,"position":5},"title":"Une m\u00e9t\u00e9orite a frapp\u00e9 la Chine il y a 11700 ans","author":"Admin","date":"18 novembre 2025","format":false,"excerpt":"Un \u00e9norme crat\u00e8re d'impact bien conserv\u00e9 a \u00e9t\u00e9 d\u00e9couvert dans le Guangdong, en Chine, et pr\u00e9sente les traces d'un puissant impact de m\u00e9t\u00e9orite. Avec un diam\u00e8tre de 900 m\u00e8tres, il d\u00e9passe les autres crat\u00e8res connus de la m\u00eame \u00e9poque. Cette d\u00e9couverte bouleverse l'histoire r\u00e9cente de la Terre. En Chine, des\u2026","rel":"","context":"Dans &quot;Espace&quot;","block_context":{"text":"Espace","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/espace\/"},"img":{"alt_text":"","src":"https:\/\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/11\/cratere-jinlin.avif","width":350,"height":200,"srcset":"https:\/\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/11\/cratere-jinlin.avif 1x, https:\/\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/11\/cratere-jinlin.avif 1.5x, https:\/\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2025\/11\/cratere-jinlin.avif 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27075","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=27075"}],"version-history":[{"count":1,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27075\/revisions"}],"predecessor-version":[{"id":27079,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/27075\/revisions\/27079"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/27078"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=27075"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=27075"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=27075"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}