{"id":340,"date":"2025-10-24T00:23:44","date_gmt":"2025-10-23T22:23:44","guid":{"rendered":"https:\/\/aps972.duckdns.org\/?page_id=340"},"modified":"2025-10-24T01:22:58","modified_gmt":"2025-10-23T23:22:58","slug":"guadeloupe","status":"publish","type":"page","link":"https:\/\/aps972.duckdns.org\/en\/guadeloupe\/","title":{"rendered":"Guadeloupe"},"content":{"rendered":"<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile\"><div class=\"wp-block-media-text__content\">\n<p>\ud83c\udf0b <strong>L\u2019activit\u00e9 volcanique en Guadeloupe (La Soufri\u00e8re de Basse-Terre)<\/strong><\/p>\n\n\n\n<p><strong>1\ufe0f\u20e3 Origine et contexte<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le volcan <strong>La Soufri\u00e8re<\/strong> (1 467 m) est situ\u00e9 dans le <strong>massif de la Basse-Terre<\/strong>, au sud de l\u2019\u00eele.<\/li>\n\n\n\n<li>Il fait partie de l\u2019<strong>arc volcanique des Petites Antilles<\/strong>, comme la Montagne Pel\u00e9e (Martinique) ou la Soufri\u00e8re Hills (Montserrat).<\/li>\n\n\n\n<li>C\u2019est un <strong>volcan actif de type and\u00e9sitique<\/strong>, surnomm\u00e9 \u00ab La Vieille Dame \u00bb.<\/li>\n\n\n\n<li>Son activit\u00e9 est <strong>fumarolienne et hydrothermale<\/strong> : beaucoup de vapeur et de gaz, peu d\u2019\u00e9ruptions explosives r\u00e9centes.<\/li>\n<\/ul>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"812\" height=\"721\" src=\"https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/image-de-la-Guadeloupe-1.jpg\" alt=\"\" class=\"wp-image-344 size-full\" srcset=\"https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/image-de-la-Guadeloupe-1.jpg 812w, https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/image-de-la-Guadeloupe-1-300x266.jpg 300w, https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/image-de-la-Guadeloupe-1-768x682.jpg 768w\" sizes=\"auto, (max-width: 812px) 100vw, 812px\" \/><\/figure><\/div>\n\n\n\n<p>T<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>2\ufe0f\u20e3 Signes pr\u00e9curseurs r\u00e9cents<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La Soufri\u00e8re montre <strong>une activit\u00e9 constante<\/strong> : \u00e9manations de vapeur d\u2019eau, soufre, tremblements l\u00e9gers.<\/li>\n\n\n\n<li>Des \u00e9pisodes sismiques et fumerolliens ont \u00e9t\u00e9 observ\u00e9s :\n<ul class=\"wp-block-list\">\n<li><strong>1956 :<\/strong> petites explosions phr\u00e9atiques (vapeur, boue).<\/li>\n\n\n\n<li><strong>1976-1977 :<\/strong> forte crise sismique et d\u00e9gazage important \u2014 c\u2019est <strong>l\u2019\u00e9pisode le plus marquant<\/strong> du XX\u1d49 si\u00e8cle.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Les signes alors observ\u00e9s :\n<ul class=\"wp-block-list\">\n<li>augmentation du nombre de s\u00e9ismes,<\/li>\n\n\n\n<li>d\u00e9gagements de gaz soufr\u00e9s tr\u00e8s intenses,<\/li>\n\n\n\n<li>fissures visibles,<\/li>\n\n\n\n<li>formation de nuages de vapeur au-dessus du crat\u00e8re.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>3\ufe0f\u20e3 D\u00e9cision d\u2019\u00e9vacuation (1976)<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En <strong>ao\u00fbt 1976<\/strong>, les scientifiques du <strong>BRGM<\/strong> (dont Haroun Tazieff et Claude All\u00e8gre) se divisent :\n<ul class=\"wp-block-list\">\n<li>Tazieff juge que ce n\u2019est <strong>qu\u2019une crise phr\u00e9atique<\/strong> (sans magma).<\/li>\n\n\n\n<li>All\u00e8gre craint une <strong>\u00e9ruption majeure<\/strong> et recommande l\u2019\u00e9vacuation.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Le <strong>pr\u00e9fet de la Guadeloupe<\/strong> d\u00e9cide <strong>l\u2019\u00e9vacuation pr\u00e9ventive<\/strong> de la zone sud de Basse-Terre (Saint-Claude, Basse-Terre, etc.).<\/li>\n\n\n\n<li>Environ <strong>73 000 personnes<\/strong> sont d\u00e9plac\u00e9es pendant plusieurs mois.<\/li>\n\n\n\n<li>Finalement, <strong>aucune \u00e9ruption magmatique<\/strong> n\u2019a eu lieu. Ce fut une <strong>crise de vapeur (\u00e9ruption phr\u00e9atique)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>4\ufe0f\u20e3 Population avant et apr\u00e8s<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Avant la crise (1976)<\/strong> : environ <strong>250 000 habitants<\/strong> sur toute la Guadeloupe, dont <strong>plus de 70 000<\/strong> dans les zones proches du volcan.<\/li>\n\n\n\n<li><strong>Pendant l\u2019\u00e9vacuation<\/strong> : 73 000 personnes d\u00e9plac\u00e9es dans le nord de l\u2019\u00eele ou vers les \u00eeles voisines.<\/li>\n\n\n\n<li><strong>Apr\u00e8s la crise<\/strong> : les habitants sont revenus progressivement d\u00e8s <strong>1977-1978<\/strong>.<\/li>\n\n\n\n<li><strong>Aujourd\u2019hui (2025)<\/strong> : la population de la Guadeloupe est d\u2019environ <strong>375 000 habitants<\/strong>, dont <strong>plus de 15 000<\/strong> vivent \u00e0 proximit\u00e9 directe du volcan (Saint-Claude, Gourbeyre, Basse-Terre).<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>5\ufe0f\u20e3 Activit\u00e9 actuelle<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La Soufri\u00e8re reste <strong>active<\/strong>, mais son activit\u00e9 est <strong>mod\u00e9r\u00e9e<\/strong> et <strong>strictement surveill\u00e9e<\/strong>.<\/li>\n\n\n\n<li>Elle \u00e9met en continu :\n<ul class=\"wp-block-list\">\n<li>des <strong>fumerolles<\/strong> (vapeur, soufre),<\/li>\n\n\n\n<li>une <strong>odeur d\u2019\u0153uf pourri<\/strong> due \u00e0 l\u2019hydrog\u00e8ne sulfur\u00e9,<\/li>\n\n\n\n<li>des <strong>micro-s\u00e9ismes<\/strong> li\u00e9s au syst\u00e8me hydrothermal.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Le <strong>niveau d\u2019alerte est vert<\/strong> (activit\u00e9 normale) depuis plusieurs ann\u00e9es.<\/li>\n\n\n\n<li>Le <strong>volcan est sous surveillance constante<\/strong> par l\u2019<strong>Observatoire Volcanologique et Sismologique de Guadeloupe (OVSG-IPGP)<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>6\ufe0f\u20e3 Peut-on y vivre \u00e0 nouveau ?<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u2705 <strong>Oui.<\/strong>\n<ul class=\"wp-block-list\">\n<li>Les zones \u00e9vacu\u00e9es en 1976 sont <strong>\u00e0 nouveau habit\u00e9es<\/strong> depuis la fin des ann\u00e9es 1970.<\/li>\n\n\n\n<li>Les villes de <strong>Saint-Claude<\/strong>, <strong>Basse-Terre<\/strong> et <strong>Gourbeyre<\/strong> sont pleinement occup\u00e9es.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\ud83d\udeab Cependant, <strong>l\u2019acc\u00e8s direct au sommet<\/strong> est <strong>r\u00e9glement\u00e9<\/strong> :\n<ul class=\"wp-block-list\">\n<li>interdit lors de pics d\u2019activit\u00e9 ou de fortes \u00e9missions de gaz,<\/li>\n\n\n\n<li>limit\u00e9 \u00e0 certaines zones de randonn\u00e9e balis\u00e9es.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Des panneaux d\u2019avertissement et des sir\u00e8nes d\u2019alerte sont install\u00e9s dans la r\u00e9gion.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>7\ufe0f\u20e3 Synth\u00e8se rapide<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u00c9l\u00e9ment<\/th><th>Donn\u00e9es cl\u00e9s<\/th><\/tr><\/thead><tbody><tr><td><strong>Volcan<\/strong><\/td><td>La Soufri\u00e8re (Basse-Terre)<\/td><\/tr><tr><td><strong>Type<\/strong><\/td><td>Volcan and\u00e9sitique actif (\u00e9ruptions phr\u00e9atiques)<\/td><\/tr><tr><td><strong>Derni\u00e8re crise majeure<\/strong><\/td><td>1976\u20131977<\/td><\/tr><tr><td><strong>Nature de l\u2019\u00e9ruption<\/strong><\/td><td>Phreatique (vapeur, pas de magma)<\/td><\/tr><tr><td><strong>Personnes \u00e9vacu\u00e9es<\/strong><\/td><td>\u2248 73 000<\/td><\/tr><tr><td><strong>Victimes<\/strong><\/td><td>Aucune<\/td><\/tr><tr><td><strong>Population actuelle<\/strong><\/td><td>\u2248 375 000 sur l\u2019\u00eele<\/td><\/tr><tr><td><strong>Niveau d\u2019activit\u00e9<\/strong><\/td><td>Faible, surveill\u00e9e<\/td><\/tr><tr><td><strong>Zones habit\u00e9es<\/strong><\/td><td>R\u00e9occup\u00e9es depuis 1977<\/td><\/tr><tr><td><strong>Autorisation d\u2019y vivre<\/strong><\/td><td>Oui, vigilance locale requise<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>Parfait \ud83d\udc4c voici la <strong>synth\u00e8se compl\u00e8te de l\u2019activit\u00e9 volcanique de la Soufri\u00e8re de Guadeloupe<\/strong>, avec ses <strong>principaux \u00e9pisodes historiques (1797, 1837, 1956, 1976)<\/strong>, sur le m\u00eame mod\u00e8le que pour les autres volcans des Petites Antilles.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">\ud83c\udf0b <strong>Les grandes \u00e9ruptions de la Soufri\u00e8re de Guadeloupe<\/strong><\/h2>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd36 <strong>Contexte g\u00e9n\u00e9ral<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La <strong>Soufri\u00e8re<\/strong> est un <strong>volcan actif<\/strong> situ\u00e9 dans le sud de <strong>Basse-Terre<\/strong>, culminant \u00e0 <strong>1 467 m<\/strong>, surnomm\u00e9 \u00ab <strong>la vieille dame<\/strong> \u00bb.<\/li>\n\n\n\n<li>C\u2019est un <strong>volcan and\u00e9sitique<\/strong> de type explosif, issu de la subduction de la plaque Atlantique sous la plaque Cara\u00efbe.<\/li>\n\n\n\n<li>Son activit\u00e9 est <strong>essentiellement fumerolienne<\/strong> aujourd\u2019hui, mais il reste l\u2019un des volcans <strong>les plus surveill\u00e9s<\/strong> des Petites Antilles.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd36 <strong>\u00c9ruption de 1797<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>Contexte et signes pr\u00e9curseurs<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Activit\u00e9 fumerolienne accrue et secousses ressenties dans le sud de Basse-Terre.<\/li>\n\n\n\n<li>Apparition de <strong>sources boueuses<\/strong>, <strong>d\u00e9gagements de soufre<\/strong> et <strong>pluies de cendres<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>D\u00e9roulement et cons\u00e9quences<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Petite \u00e9ruption <strong>phr\u00e9atique<\/strong> (vapeur et boue), sans coul\u00e9es de lave.<\/li>\n\n\n\n<li>Destruction partielle de v\u00e9g\u00e9tation, fortes odeurs de soufre, mais <strong>aucune victime<\/strong>.<\/li>\n\n\n\n<li>\u00c9pisode marquant le <strong>d\u00e9but de la surveillance empirique<\/strong> du volcan.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd36 <strong>\u00c9ruption de 1837<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>Contexte<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Nouvelle s\u00e9rie de secousses et d\u2019\u00e9manations soufr\u00e9es.<\/li>\n\n\n\n<li>Activit\u00e9 de type <strong>hydrothermale<\/strong> : jets de vapeur et boue chaude.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>Cons\u00e9quences<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Effondrement partiel du d\u00f4me sommital.<\/li>\n\n\n\n<li>Les habitants de Saint-Claude et de Basse-Terre sont inquiets, mais pas d\u2019\u00e9vacuation.<\/li>\n\n\n\n<li>Peu de d\u00e9g\u00e2ts mat\u00e9riels, aucune victime.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd36 <strong>\u00c9ruption de 1956<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>Contexte<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Petites explosions au niveau du <strong>crat\u00e8re Tarissan<\/strong>.<\/li>\n\n\n\n<li>Apparition de nouvelles fumerolles et ouverture de fractures.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>Cons\u00e9quences<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Activit\u00e9 br\u00e8ve mais notable : <strong>pluies acides<\/strong>, <strong>odeur de soufre<\/strong> jusqu\u2019\u00e0 plusieurs kilom\u00e8tres.<\/li>\n\n\n\n<li>L\u2019Observatoire de la Soufri\u00e8re (cr\u00e9\u00e9 en 1950) am\u00e9liore la surveillance apr\u00e8s cet \u00e9pisode.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd36 <strong>\u00c9ruption de 1976<\/strong><\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>Contexte et signes pr\u00e9curseurs<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En <strong>juin 1976<\/strong>, s\u00e9rie de s\u00e9ismes ressentis \u00e0 Basse-Terre.<\/li>\n\n\n\n<li>Forte activit\u00e9 fumerolienne, explosions de vapeur, \u00e9missions de gaz soufr\u00e9s.<\/li>\n\n\n\n<li>L\u2019Observatoire de Guadeloupe enregistre une mont\u00e9e rapide de la temp\u00e9rature et de la sismicit\u00e9.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>D\u00e9cision d\u2019\u00e9vacuation<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>En <strong>ao\u00fbt 1976<\/strong>, le pr\u00e9fet et le volcanologue <strong>Claude All\u00e8gre<\/strong> ordonnent l\u2019<strong>\u00e9vacuation de 73 000 habitants<\/strong> du sud de Basse-Terre, notamment de la ville de <strong>Saint-Claude<\/strong>.<\/li>\n\n\n\n<li>D\u2019autres scientifiques, dont <strong>Haroun Tazieff<\/strong>, estiment qu\u2019il ne s\u2019agit pas d\u2019une \u00e9ruption magmatique, mais <strong>phr\u00e9atique<\/strong> (vapeur et eau).<\/li>\n\n\n\n<li>Ce d\u00e9bat scientifique provoque une <strong>pol\u00e9mique nationale<\/strong> : \u00e9vacuation n\u00e9cessaire ou pr\u00e9cipit\u00e9e ?<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>D\u00e9roulement<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Aucune coul\u00e9e de lave : uniquement des <strong>explosions de vapeur<\/strong>, <strong>jets de cendres<\/strong>, et <strong>s\u00e9ismes volcaniques<\/strong>.<\/li>\n\n\n\n<li>L\u2019activit\u00e9 diminue progressivement \u00e0 partir de novembre 1976.<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>Cons\u00e9quences<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pas de victimes, mais d\u2019\u00e9normes pertes \u00e9conomiques :\n<ul class=\"wp-block-list\">\n<li><strong>Agriculture<\/strong> et <strong>commerce<\/strong> \u00e0 l\u2019arr\u00eat,<\/li>\n\n\n\n<li><strong>\u00c9coles et administrations ferm\u00e9es<\/strong>,<\/li>\n\n\n\n<li>Des milliers de personnes d\u00e9plac\u00e9es pendant plusieurs mois.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udd39 <strong>Impact durable<\/strong><\/h4>\n\n\n\n<ul class=\"wp-block-list\">\n<li>L\u2019\u00e9pisode de 1976 marque un <strong>tournant majeur<\/strong> dans la gestion du risque volcanique.<\/li>\n\n\n\n<li>Renforcement des r\u00e9seaux de surveillance et cr\u00e9ation de <strong>plans ORSEC volcan<\/strong>.<\/li>\n\n\n\n<li>L\u2019\u00eele reste traumatis\u00e9e par cette \u00e9vacuation massive.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd36 <strong>Situation actuelle<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le volcan est aujourd\u2019hui <strong>en activit\u00e9 fumerolienne permanente<\/strong> (jets de vapeur, soufre, s\u00e9ismes faibles).<\/li>\n\n\n\n<li>La Soufri\u00e8re est class\u00e9e en <strong>vigilance jaune<\/strong> par l\u2019OVSG-IPGP.<\/li>\n\n\n\n<li>Les visiteurs peuvent acc\u00e9der \u00e0 certaines zones, mais le <strong>crat\u00e8re principal reste interdit<\/strong> pour raisons de s\u00e9curit\u00e9.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd36 <strong>Synth\u00e8se comparative<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Ann\u00e9e<\/th><th>Type d\u2019\u00e9ruption<\/th><th>Victimes<\/th><th>\u00c9vacuations<\/th><th>Impact principal<\/th><th>Particularit\u00e9<\/th><\/tr><\/thead><tbody><tr><td><strong>1797<\/strong><\/td><td>Phreatique<\/td><td>0<\/td><td>Non<\/td><td>Boue et vapeur<\/td><td>Premi\u00e8re activit\u00e9 observ\u00e9e historiquement<\/td><\/tr><tr><td><strong>1837<\/strong><\/td><td>Phreatique<\/td><td>0<\/td><td>Non<\/td><td>Effondrement partiel<\/td><td>Intensification du d\u00e9gazage<\/td><\/tr><tr><td><strong>1956<\/strong><\/td><td>Phreatique<\/td><td>0<\/td><td>Non<\/td><td>Gaz et pluie acide<\/td><td>Renforcement de la surveillance<\/td><\/tr><tr><td><strong>1976<\/strong><\/td><td>Phreatique (explosive)<\/td><td>0<\/td><td>Oui (~73 000)<\/td><td>Crise sociale et \u00e9conomique<\/td><td>D\u00e9bat scientifique historique (All\u00e8gre\/Tazieff)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>T 2\ufe0f\u20e3 Signes pr\u00e9curseurs r\u00e9cents 3\ufe0f\u20e3 D\u00e9cision d\u2019\u00e9vacuation (1976) 4\ufe0f\u20e3 Population avant et apr\u00e8s 5\ufe0f\u20e3 Activit\u00e9 actuelle 6\ufe0f\u20e3 Peut-on y [&hellip;]<\/p>","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center 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