{"id":17210,"date":"2026-04-08T15:51:35","date_gmt":"2026-04-09T01:51:35","guid":{"rendered":"https:\/\/www.service-public.pf\/dca\/?p=17210"},"modified":"2026-04-09T09:03:03","modified_gmt":"2026-04-09T19:03:03","slug":"un-nouveau-portail-pour-mieux-comprendre-les-aleas-naturels-en-polynesie-francaise","status":"publish","type":"post","link":"https:\/\/www.service-public.pf\/dca\/un-nouveau-portail-pour-mieux-comprendre-les-aleas-naturels-en-polynesie-francaise\/","title":{"rendered":"Un nouveau portail pour mieux comprendre les al\u00e9as naturels en Polyn\u00e9sie fran\u00e7aise"},"content":{"rendered":"<p>Dans un contexte de forte exposition aux risques naturels, la Direction de la Construction et de l\u2019Am\u00e9nagement (DCA) renforce sa politique d\u2019information et de pr\u00e9vention \u00e0 destination du public. Elle met en ligne le portail <a href=\"https:\/\/arai-polynesie.hub.arcgis.com\/\">https:\/\/arai-polynesie.hub.arcgis.com\/<\/a>, un site internet enti\u00e8rement d\u00e9di\u00e9 aux al\u00e9as naturels en Polyn\u00e9sie fran\u00e7aise.<\/p>\n<p>Ce nouvel outil a vocation \u00e0 constituer une plateforme de r\u00e9f\u00e9rence, centralisant l\u2019ensemble des donn\u00e9es et ressources relatives aux risques naturels \u00e0 l\u2019\u00e9chelle du territoire.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-17211\" src=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-300x155.png\" alt=\"\" width=\"300\" height=\"155\" srcset=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-200x103.png 200w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-300x155.png 300w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-400x207.png 400w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-600x310.png 600w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-768x397.png 768w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-800x414.png 800w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-1024x530.png 1024w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-1200x621.png 1200w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/IMAGE-1536x795.png 1536w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<h3>Un outil au service de l\u2019information et de la pr\u00e9vention<\/h3>\n<p>Le site <a href=\"https:\/\/www.arai.gov.pf\/\">https:\/\/www.arai.gov.pf\/<\/a> propose une information structur\u00e9e, accessible et actualis\u00e9e autour de plusieurs volets compl\u00e9mentaires :<\/p>\n<ul>\n<li><strong>Les cartographies des al\u00e9as naturels<\/strong><strong>, <\/strong>permettant d\u2019identifier les zones expos\u00e9es aux diff\u00e9rents risques\u00a0: inondations, mouvements de terrain, submersions marines (cyclones et tsunamis) ;<\/li>\n<li><strong>Des guides des<\/strong> bonnes pratiques pour des projets d\u2019am\u00e9nagements\u00a0;<\/li>\n<li><strong>La pr\u00e9sentation des actions conduites par la DCA<\/strong><strong>,<\/strong> notamment les \u00e9tudes et projets engag\u00e9s dans le cadre de l\u2019am\u00e9lioration de la connaissance sur les al\u00e9as\u00a0;<\/li>\n<li><strong>Un historique des \u00e9v\u00e9nements marquants<\/strong><strong>,<\/strong> contribuant \u00e0 entretenir la m\u00e9moire des catastrophes pass\u00e9es et \u00e0 sensibiliser la population.<\/li>\n<\/ul>\n<p><strong><em><img decoding=\"async\" class=\"alignnone size-medium wp-image-17215\" src=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-2-300x196.jpg\" alt=\"\" width=\"300\" height=\"196\" srcset=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-2-200x131.jpg 200w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-2-300x196.jpg 300w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-2-400x261.jpg 400w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-2-600x392.jpg 600w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-2-768x502.jpg 768w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-2-800x523.jpg 800w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-2.jpg 891w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/em><\/strong><\/p>\n<p><strong><em>Coul\u00e9e de boue \u00e0 Tahaa, d\u00e9pression Alan (avril 1998)<\/em><\/strong><\/p>\n<h3>Une r\u00e9ponse aux enseignements du sondage de 2024<\/h3>\n<p>La cr\u00e9ation de ce site s\u2019inscrit dans la continuit\u00e9 des travaux men\u00e9s par la DCA en mati\u00e8re de pr\u00e9vention sur les risques naturels. En 2024, une enqu\u00eate r\u00e9alis\u00e9e aupr\u00e8s de la population polyn\u00e9sienne, avec environ 1500 personnes interrog\u00e9es, met en \u00e9vidence un double constat. Si la population pr\u00e9sente une conscience globale des risques naturels, celle-ci demeure insuffisamment inform\u00e9e de son exposition individuelle. En effet, une majorit\u00e9 des r\u00e9pondants indique ne pas conna\u00eetre la situation de leur lieu de r\u00e9sidence au regard des zones \u00e0 risque, tandis qu\u2019une part significative d\u00e9clare ne pas savoir o\u00f9 acc\u00e9der \u00e0 une information fiable en la mati\u00e8re.<\/p>\n<p>Le portail <a href=\"https:\/\/www.arai.gov.pf\/\">https:\/\/www.arai.gov.pf\/<\/a>\u00a0apporte une r\u00e9ponse concr\u00e8te \u00e0 ces enjeux en mettant \u00e0 disposition des donn\u00e9es localis\u00e9es et facilement consultables.<\/p>\n<p>L\u2019enqu\u00eate de 2024 souligne \u00e9galement l\u2019existence d\u2019\u00e9carts entre la perception des risques et leur r\u00e9alit\u00e9 objective. Certaines menaces sont surestim\u00e9es, \u00e0 l\u2019image du risque volcanique, tandis que d\u2019autres, pourtant av\u00e9r\u00e9es, peuvent \u00eatre sous-\u00e9valu\u00e9es selon les territoires.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-medium wp-image-17216\" src=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-3-300x182.png\" alt=\"\" width=\"300\" height=\"182\" srcset=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-3-200x122.png 200w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-3-300x182.png 300w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-3-400x243.png 400w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-3-600x365.png 600w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-3-768x467.png 768w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-3-800x487.png 800w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-3.png 891w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p><img decoding=\"async\" class=\"alignnone wp-image-17217\" src=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-4-300x160.png\" alt=\"\" width=\"351\" height=\"187\" srcset=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-4-200x107.png 200w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-4-300x160.png 300w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-4-400x213.png 400w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-4.png 580w\" sizes=\"(max-width: 351px) 100vw, 351px\" \/><img decoding=\"async\" class=\"alignnone size-medium wp-image-17218\" src=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-5-300x181.png\" alt=\"\" width=\"300\" height=\"181\" srcset=\"https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-5-200x121.png 200w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-5-300x181.png 300w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-5-400x241.png 400w, https:\/\/www.service-public.pf\/dca\/wp-content\/uploads\/sites\/26\/2026\/04\/image-5.png 565w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<p>\u00c0 travers la mise en ligne de <a href=\"https:\/\/www.arai.gov.pf\/\">https:\/\/www.arai.gov.pf\/<\/a>, la DCA poursuit son engagement en faveur du d\u00e9veloppement d\u2019une culture du risque partag\u00e9e. En facilitant l\u2019acc\u00e8s \u00e0 l\u2019information et en am\u00e9liorant sa lisibilit\u00e9, ce dispositif contribue \u00e0 responsabiliser les acteurs et \u00e0 soutenir les d\u00e9marches de pr\u00e9vention \u00e0 toutes les \u00e9chelles.<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Dans un contexte de forte exposition aux risques naturels, la Direction de la Construction et de l\u2019Am\u00e9nagement (DCA) renforce sa politique d\u2019information et de pr\u00e9vention \u00e0 destination du public. Elle met en ligne le portail https:\/\/arai-polynesie.hub.arcgis.com\/, un site internet enti\u00e8rement d\u00e9di\u00e9 aux al\u00e9as naturels en Polyn\u00e9sie fran\u00e7aise. Ce nouvel outil a vocation \u00e0 constituer une <a href=\"https:\/\/www.service-public.pf\/dca\/un-nouveau-portail-pour-mieux-comprendre-les-aleas-naturels-en-polynesie-francaise\/\"> [ lire la suite ->]<\/a><\/p>\n","protected":false},"author":593,"featured_media":17211,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"aside","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[187],"tags":[],"class_list":["post-17210","post","type-post","status-publish","format-aside","has-post-thumbnail","hentry","category-actualite","post_format-post-format-aside"],"_links":{"self":[{"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/posts\/17210","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/users\/593"}],"replies":[{"embeddable":true,"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/comments?post=17210"}],"version-history":[{"count":4,"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/posts\/17210\/revisions"}],"predecessor-version":[{"id":17220,"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/posts\/17210\/revisions\/17220"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/media\/17211"}],"wp:attachment":[{"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/media?parent=17210"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/categories?post=17210"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.service-public.pf\/dca\/wp-json\/wp\/v2\/tags?post=17210"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}