{"id":8143,"date":"2026-05-05T11:19:23","date_gmt":"2026-05-05T15:19:23","guid":{"rendered":"https:\/\/martinique2050.com\/?p=8143"},"modified":"2026-05-05T11:19:23","modified_gmt":"2026-05-05T15:19:23","slug":"montagne-pelee-494-seismes-dorigine-volcanique","status":"publish","type":"post","link":"https:\/\/martinique2050.com\/en\/montagne-pelee-494-seismes-dorigine-volcanique\/","title":{"rendered":"Mount Pel\u00e9e: 494 volcanic earthquakes"},"content":{"rendered":"<p><strong>Si la montagne Pel\u00e9e est un joyau pour les randonneurs, les visiteurs et les touristes, elle renferme aussi une activit\u00e9 volcanique et sismique. Difficilement perceptible pour les habitants, elle reste pourtant tr\u00e8s active et repr\u00e9sente un risque naturel non-n\u00e9gligeable pour les populations, risque que les pouvoirs publics prennent en consid\u00e9ration. Un exercice a d\u2019ailleurs lieu afin de tester et d\u2019entrainer les secours \u00e0 r\u00e9agir vite.<\/strong><\/p>\n<h2><strong>S\u00e9ismes \u00e0 r\u00e9p\u00e9tition<\/strong><\/h2>\n<p>Entre le 24 avril et le 1<sup>er<\/sup> mai 2026, 494 s\u00e9ismes d\u2019origine volcanique ont \u00e9t\u00e9 relev\u00e9s par l\u2019observatoire volcanique et sismologique de Martinique, dont \u00ab\u00a0488 s\u00e9ismes de type volcano-tectonique. Parmi eux, 20 ont une magnitude (magnitude locale Mlv ou magnitude de dur\u00e9e Md) sup\u00e9rieure \u00e0 0,5, et 3 ont une magnitude sup\u00e9rieure \u00e0 1. Le plus important s\u2019est produit le 28 avril \u00e0 7h23 heure locale et est de magnitude Mlv=2,2. Les autres sont de plus faible \u00e9nergie\u00a0\u00bb, expliquent les experts de l\u2019observatoire volcanique et sismologique de Martinique, via le bulletin du 1<sup>er<\/sup> mai. \u00ab\u00a0Ces s\u00e9ismes sont pour la tr\u00e8s grande majorit\u00e9 localis\u00e9s \u00e0 des profondeurs comprises entre 0,5 et 1,3 km sous le sommet du volcan.\u00a0\u00bb Parmi les autres s\u00e9ismes, on retrouve \u00ab\u00a03 s\u00e9ismes superficiels de type hybride et 3 de type longue-p\u00e9riode\u00a0\u00bb, selon les scientifiques de l\u2019observatoire.<\/p>\n<h2><strong>Risques naturels<\/strong><\/h2>\n<p>L\u2019activit\u00e9 sismique et volcanique de l\u2019\u00eele rappelle l\u2019importance de prendre en compte la nature comme pouvant \u00eatre \u00e0 l\u2019origine de risques naturels. Aucun s\u00e9isme n\u2019a \u00e9t\u00e9 ressenti par la population, \u00ab\u00a0cependant, le s\u00e9isme volcano-tectonique du 28 avril de magnitude Mlv=2,2 a une magnitude qui s\u2019approche de celle de s\u00e9ismes susceptibles d\u2019\u00eatre ressentis par des randonneurs sur la Montagne Pel\u00e9e\u00a0\u00bb.<\/p>\n<p>M\u00eame si les s\u00e9ismes ne sont pas ressentis par la population, ils n\u2019en restent pas moins des risques naturels potentiels pour les populations locales, pris en compte pour les pouvoirs publics\u00a0: un exercice a \u00e9t\u00e9 men\u00e9 fin avril, permettant de tester grandeur nature la r\u00e9silience et la r\u00e9ponse des secours \u00e0 une potentielle catastrophe naturelle.<\/p>\n<p>\u00ab\u00a0L\u2019exercice de s\u00e9curit\u00e9 civile\u00a0\u00bb s\u2019est d\u00e9roul\u00e9 avec \u00ab\u00a0des \u00e9vacuations grandeur nature depuis le Pr\u00eacheur et Saint-Pierre vers le sud de l\u2019\u00eele, notamment au Diamant\u00a0\u00bb, explique la pr\u00e9fecture, qui remercie \u00ab\u00a0les 1000 participants pour leur implication\u00a0\u00bb.<\/p>\n<p>SD<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Si la montagne Pel\u00e9e est un joyau pour les randonneurs, les visiteurs et les touristes, elle renferme aussi une activit\u00e9 volcanique et sismique. Difficilement perceptible pour les habitants, elle reste pourtant tr\u00e8s active et repr\u00e9sente un risque naturel non-n\u00e9gligeable pour les populations, risque que les pouvoirs publics prennent en consid\u00e9ration. Un exercice a d\u2019ailleurs lieu &hellip;<\/p>","protected":false},"author":1,"featured_media":5004,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_yoast_wpseo_meta-robots-noindex":"","_yoast_wpseo_canonical":"","_yoast_wpseo_opengraph-title":"","_yoast_wpseo_opengraph-description":"","_yoast_wpseo_twitter-title":"","_yoast_wpseo_twitter-description":"","footnotes":""},"categories":[1723],"tags":[],"class_list":["post-8143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-risques-naturels"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Montagne Pel\u00e9e\u00a0: 494 s\u00e9ismes d\u2019origine volcanique - martinique2050<\/title>\n<meta name=\"description\" content=\"Si la montagne Pel\u00e9e est un joyau pour les randonneurs, les visiteurs et les touristes, elle renferme aussi une activit\u00e9 volcanique et sismique.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/martinique2050.com\/en\/montagne-pelee-494-seismes-dorigine-volcanique\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Montagne Pel\u00e9e\u00a0: 494 s\u00e9ismes d\u2019origine volcanique - 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