{"id":419,"date":"2025-04-11T15:03:10","date_gmt":"2025-04-11T13:03:10","guid":{"rendered":"https:\/\/www.meteor-oi.re\/?page_id=419"},"modified":"2025-04-20T12:49:10","modified_gmt":"2025-04-20T10:49:10","slug":"le-risque-dinondations-a-la-reunion","status":"publish","type":"page","link":"https:\/\/www.meteor-oi.re\/index.php\/les-risques-naturels-a-la-reunion\/le-risque-dinondations-a-la-reunion\/","title":{"rendered":"Le risque d&rsquo;inondations \u00e0 La R\u00e9union"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Il s\u2019agit d\u2019un risque pr\u00e9pond\u00e9rant \u00e0 La R\u00e9union, pour l\u2019essentiel durant la saison des pluies. La mont\u00e9e du niveau d\u2019un cours d\u2019eau naturel peut menacer directement les habitations environnantes comme en attestent l\u2019exemple r\u00e9cent de Berguitta au niveau de la rivi\u00e8re d\u2019Abord, de Diwa en 2006 \u00e0 la Rivi\u00e8re des pluies ou encore de Hyacinthe en 1980 \u00e0 la ravine Patates \u00e0 Durand.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Plus fr\u00e9quentes encore, les inondations plus localis\u00e9es en lien avec la saturation (ou l\u2019obstruction) des r\u00e9seaux urbains d\u2019\u00e9vacuation de l\u2019eau, sont plus difficiles \u00e0 anticiper et peuvent survenir quasiment \u00e0 chaque averse un tant soit peu violente. Nous ne prendrons que les exemples du centre-ville de St Andr\u00e9 lors du passage de Fakir le 24 avril 2018, ou encore les inondations li\u00e9es au passage de Haliba en mars 2015 dans de nombreuses communes de l\u2019\u00eele.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Enfin pour \u00eatre tout \u00e0 fait complets, des cas plus rares et li\u00e9s au risque mouvement de terrain, peuvent survenir. En effet, certains <a href=\"https:\/\/www.meteor-oi.re\/index.php\/les-risques-naturels-a-la-reunion\/les-mouvements-de-terrains-a-la-reunion\/\" target=\"_blank\" rel=\"noreferrer noopener\">glissements de terrain<\/a> peuvent venir cr\u00e9er des \u00ab\u00a0bouchons\u00a0\u00bb et des cuvettes dans les cours d\u2019eau de l\u2019\u00eele. Leur rupture peut entra\u00eener des ph\u00e9nom\u00e8nes brefs mais extr\u00eamement dangereux comme en 2002 \u00e0 la rivi\u00e8re des pluies o\u00f9 la rupture d\u2019un barrage naturel engendr\u00e9 par le cyclone Dina fera deux morts, un mois apr\u00e8s le passage du syst\u00e8me. Moins dramatique mais encore plus effrayant, l\u2019\u00e9boulis de Mahavel en 1965 fera craindre des inondations massives plus en aval \u00e0 St-Joseph. Il n\u2019en fut rien et la cuvette s\u2019\u00e9roda naturellement sans faire de victimes ou de d\u00e9g\u00e2ts mat\u00e9riels.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quels r\u00f4les pour M\u00e9t\u00e9oR-OI&nbsp;?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Nous ne sommes en aucun cas habilit\u00e9s \u00e0 fournir de nous-m\u00eame des informations engageant directement votre s\u00e9curit\u00e9. N\u00e9anmoins, nous relayons souvent les informations de <a href=\"https:\/\/www.vigicrues-reunion.re\/\">Vigicrues-Reunion<\/a> sur nos pages respectives et les donn\u00e9es de nos <a href=\"https:\/\/www.meteor-oi.re\/index.php\/observations-meteorologiques\/le-reseau-climatologique\/\">stations m\u00e9t\u00e9o<\/a>&nbsp;les plus en amont peuvent permettre de mieux comprendre et anticiper certains \u00e9v\u00e8nements.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Il s\u2019agit d\u2019un risque pr\u00e9pond\u00e9rant \u00e0 La R\u00e9union, pour l\u2019essentiel durant la saison des pluies. La mont\u00e9e du niveau d\u2019un cours d\u2019eau naturel peut menacer directement les habitations environnantes comme en attestent l\u2019exemple r\u00e9cent de Berguitta au niveau de la rivi\u00e8re d\u2019Abord, de Diwa en 2006 \u00e0 la Rivi\u00e8re des pluies ou encore de Hyacinthe&hellip; <br \/> <a class=\"read-more\" href=\"https:\/\/www.meteor-oi.re\/index.php\/les-risques-naturels-a-la-reunion\/le-risque-dinondations-a-la-reunion\/\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":394,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-419","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Le risque d&#039;inondations \u00e0 La R\u00e9union<\/title>\n<meta name=\"description\" content=\"Inondations \u00e0 La R\u00e9union : causes, 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