{"id":17785,"date":"2019-01-15T12:00:48","date_gmt":"2019-01-15T11:00:48","guid":{"rendered":"https:\/\/www.laterredufutur.com\/accueil\/?p=17785"},"modified":"2025-01-31T17:08:48","modified_gmt":"2025-01-31T16:08:48","slug":"lintelligence-artificielle-peut-elle-predire-les-eruptions-volcaniques","status":"publish","type":"post","link":"https:\/\/www.laterredufutur.com\/accueil\/lintelligence-artificielle-peut-elle-predire-les-eruptions-volcaniques\/","title":{"rendered":"L\u2019intelligence artificielle peut-elle pr\u00e9dire les \u00e9ruptions volcaniques ?"},"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>Quelque 800 millions de personnes vivent aux abords de volcans qui peuvent, \u00e0 tout moment, entrer en \u00e9ruption. D&rsquo;o\u00f9 l&rsquo;importance, pour les chercheurs, de r\u00e9ussir \u00e0 pr\u00e9dire enfin les \u00e9ruptions volcaniques.<\/p>\n<p>De nos jours, les donn\u00e9es concernant les volcans du monde ne manquent pas. Au contraire, les chercheurs semblent noy\u00e9s sous le flot des informations qui leur sont fournies notamment par les satellites. La mise au point de deux algorithmes pourraient bien les aider \u00e0 faire le tri et leur permettre de d\u00e9velopper un syst\u00e8me mondial d&rsquo;alerte \u00e9ruption volcanique.<\/p>\n<p>Le premier algorithme travaille \u00e0 partir des images haute r\u00e9solution transmises par les satellites Sentinel. Il apprend ainsi \u00e0 d\u00e9tecter des changements &#8212; m\u00eame infimes &#8212; dans les mouvements du sol. Des changements qui trahissent des d\u00e9placements de magma sous un volcan. \u00ab\u2009Un d\u00e9placement de magma ne signifie pas n\u00e9cessairement l&rsquo;imminence d&rsquo;une \u00e9ruption\u2009\u00bb, pr\u00e9vient Andrew Hooper, volcanologue \u00e0 l&rsquo;universit\u00e9 de Leeds (Royaume-Uni). \u00ab\u2009Mais il y a rarement \u00e9ruption sans d\u00e9placement de magma.\u2009\u00bb<\/p>\n<p>Deux algorithmes compl\u00e9mentaires<br \/>\nLe second algorithme correspond \u00e0 un r\u00e9seau de neurones convolutifs tel que ceux utilis\u00e9s dans la reconnaissance d&rsquo;images. Ce type d&rsquo;intelligence artificielle est capable de trier des images, parfois plus efficacement qu&rsquo;un humain. Ici, les chercheurs de l&rsquo;universit\u00e9 de Bristol (Royaume-Uni) lui ont appris \u00e0 distinguer les images annon\u00e7ant des \u00e9ruptions.<\/p>\n<p>Pour l&rsquo;heure, ce dernier algorithme rend toujours entre 20 et 60 % de faux positifs. Mais ses performances s&rsquo;am\u00e9liorent avec le nombre de photos analys\u00e9es. Et m\u00eame s&rsquo;il faut encore quelques semaines pour que les images satellites soient trait\u00e9es, \u00ab\u2009c&rsquo;est un premier pas impressionnant qui pourrait r\u00e9volutionner la d\u00e9tection des \u00e9ruptions volcaniques\u2009\u00bb, assure Michael Poland, un g\u00e9ologue am\u00e9ricain.<\/p>\n<p>extrait et source : <a href=\"https:\/\/www.futura-sciences.com\/planete\/actualites\/volcanologie-intelligence-artificielle-peut-elle-predire-eruptions-volcaniques-52423\/?fbclid=IwAR2C7AiQjp0p86dZKoC6__zMoemBc3u1DbIKs18dr6fgqQeyIbAVZkD86E4\" target=\"_blank\" rel=\"noopener\">https:\/\/www.futura-sciences.com\/<\/a><\/p>\n<p class=\"bawpvc-ajax-counter\" data-id=\"17785\">(259)<\/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>Quelque 800 millions de personnes vivent aux abords de volcans qui peuvent, \u00e0 tout moment, entrer en \u00e9ruption. D&rsquo;o\u00f9 l&rsquo;importance,&#8230;<\/p>\n","protected":false},"author":1,"featured_media":11662,"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_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":"L\u2019intelligence artificielle peut-elle pr\u00e9dire les \u00e9ruptions volcaniques ? @laterredufutur","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[19,8194],"tags":[6197,745,1989,2481,48,49],"class_list":["post-17785","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-seismes-et-volcans","category-technologie","tag-analyse","tag-ia","tag-predictions","tag-reveil","tag-volcan","tag-volcans","wpcat-19-id","wpcat-8194-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/04\/volcan-Sakurajima-mars2016.jpg?fit=962%2C641&ssl=1","jetpack_shortlink":"https:\/\/wp.me\/p631RN-4CR","jetpack-related-posts":[{"id":26940,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-arbres-pourraient-nous-signaler-un-volcan-sur-le-point-dentrer-en-eruption\/","url_meta":{"origin":17785,"position":0},"title":"Les arbres pourraient nous signaler un volcan sur le point d&rsquo;entrer en \u00e9ruption","author":"Admin","date":"13 juin 2025","format":false,"excerpt":"La science de la pr\u00e9diction des \u00e9ruptions volcaniques peut r\u00e9ellement sauver des vies \u2013 potentiellement, beaucoup de vies \u2013 et les chercheurs ont montr\u00e9 que les couleurs des feuilles des arbres peuvent agir comme des signaux d\u2019avertissement autour d\u2019un volcan sur le point d\u2019exploser. \u00c0 mesure que les volcans deviennent\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/11\/turrialba-volcano-costa-rica.jpg?fit=780%2C438&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/11\/turrialba-volcano-costa-rica.jpg?fit=780%2C438&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/11\/turrialba-volcano-costa-rica.jpg?fit=780%2C438&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2016\/11\/turrialba-volcano-costa-rica.jpg?fit=780%2C438&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":23765,"url":"https:\/\/www.laterredufutur.com\/accueil\/selon-la-nasa-leruption-du-tonga-a-emis-les-plus-hauts-panaches-de-cendres-jamais-captes-par-satellite\/","url_meta":{"origin":17785,"position":1},"title":"Selon la NASA, l&rsquo;\u00e9ruption du Tonga a \u00e9mis les plus hauts panaches de cendres jamais capt\u00e9s par satellite","author":"Admin","date":"19 f\u00e9vrier 2022","format":false,"excerpt":"L'\u00e9ruption du volcan Tonga, le 15 janvier 2022, a permis aux satellites d'observer pour la premi\u00e8re fois un panache de cendres volcaniques se propageant dans la m\u00e9sosph\u00e8re, la troisi\u00e8me couche de l'atmosph\u00e8re terrestre. Selon la NASA, l'\u00e9v\u00e9nement de Tonga a \u00e9t\u00e9 la plus grande \u00e9ruption volcanique depuis que les satellites\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2022\/01\/explosion-volcanique-tonga.jpg?fit=1040%2C1120&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":26022,"url":"https:\/\/www.laterredufutur.com\/accueil\/longues-et-perturbatrices-les-eruptions-volcaniques-en-islande-pourraient-durer-des-decennies\/","url_meta":{"origin":17785,"position":2},"title":"Longues et perturbatrices : les \u00e9ruptions volcaniques en Islande pourraient durer des d\u00e9cennies","author":"Admin","date":"30 juin 2024","format":false,"excerpt":"Une \u00e9quipe internationale de scientifiques a d\u00e9couvert une partie des processus g\u00e9ologiques \u00e0 l'origine des \u00e9ruptions volcaniques en Islande. Les \u00e9ruptions volcaniques en cours en Islande pourraient se poursuivre, avec quelques interruptions, pendant des ann\u00e9es, voire des d\u00e9cennies, mena\u00e7ant la r\u00e9gion la plus dens\u00e9ment peupl\u00e9e du pays et ses infrastructures\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/01\/Lave-islande-grindavik.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\/2024\/01\/Lave-islande-grindavik.jpg?fit=1024%2C415&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/01\/Lave-islande-grindavik.jpg?fit=1024%2C415&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2024\/01\/Lave-islande-grindavik.jpg?fit=1024%2C415&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":18713,"url":"https:\/\/www.laterredufutur.com\/accueil\/un-risque-de-catastrophe-volcanique-eleve-menace-les-etats-unis-selon-des-chercheurs\/","url_meta":{"origin":17785,"position":3},"title":"Un risque de catastrophe volcanique \u00e9lev\u00e9 menace les \u00c9tats-Unis, selon des chercheurs","author":"Admin","date":"28 mars 2019","format":false,"excerpt":"En cas d'\u00e9ruption majeure des sept volcans actifs en Californie, la vie de 200.000 personnes au total serait menac\u00e9e, telle est la conclusion des sp\u00e9cialistes de l\u2019Institut d'\u00e9tudes g\u00e9ologiques des \u00c9tats-Unis. Ces scientifiques estiment la probabilit\u00e9 d'une \u00e9ruption au cours des 30 prochaines ann\u00e9es \u00e0 16%. Les sp\u00e9cialistes de l'Institut\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/californie-volcans.jpg?fit=750%2C445&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/californie-volcans.jpg?fit=750%2C445&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/californie-volcans.jpg?fit=750%2C445&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2019\/03\/californie-volcans.jpg?fit=750%2C445&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":8209,"url":"https:\/\/www.laterredufutur.com\/accueil\/le-volcan-bardarbunga-menace-de-rentrer-a-nouveau-en-eruption\/","url_meta":{"origin":17785,"position":4},"title":"Le volcan Bardarbunga menace d&rsquo;entrer \u00e0 nouveau en \u00e9ruption","author":"Admin","date":"14 septembre 2015","format":false,"excerpt":"Les g\u00e9ologues qui \u00e9tudient actuellement les donn\u00e9es du volcan Badarbunga, indiquent\u00a0que le magma pourrait s'\u00eatre accumul\u00e9\u00a0\u00e0 nouveau sous le\u00a0glacier Vatnaj\u00f6kull. L'\u00e9ruption Holuhraun, qui a eu lieu entre le 31 Ao\u00fbt 2014, et 27 F\u00e9vrier 2015, faisait partie d'une s\u00e9rie d'\u00e9v\u00e9nements qui a commenc\u00e9 sur le volcan en 1974 et pourraient\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/badarbunga.png?fit=720%2C477&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/badarbunga.png?fit=720%2C477&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/badarbunga.png?fit=720%2C477&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2015\/09\/badarbunga.png?fit=720%2C477&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":581,"url":"https:\/\/www.laterredufutur.com\/accueil\/les-eruptions-volcaniques-majeures-ont-un-impact-plus-important-que-prevu\/","url_meta":{"origin":17785,"position":5},"title":"Les \u00e9ruptions volcaniques refroidissent le climat","author":"Admin","date":"23 octobre 2011","format":false,"excerpt":"Les chercheurs de l'universit\u00e9 de Clermont-Ferrand ont mesur\u00e9 pour la premi\u00e8re fois la quantit\u00e9 de nanoparticules volcaniques secondaires dans le panache d'un volcan. Ces r\u00e9sultats montrent que l'impact des volcans sur le climat a \u00e9t\u00e9 largement sous-estim\u00e9. Il est bien connu que les \u00e9ruptions volcaniques rejettent du dioxyde de souffre\u2026","rel":"","context":"Dans &quot;Seismes\/Volcans&quot;","block_context":{"text":"Seismes\/Volcans","link":"https:\/\/www.laterredufutur.com\/accueil\/sujets\/seismes-et-volcans\/"},"img":{"alt_text":"volcan","src":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/10\/volcan-cnrs.jpg?fit=775%2C230&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/10\/volcan-cnrs.jpg?fit=775%2C230&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/10\/volcan-cnrs.jpg?fit=775%2C230&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.laterredufutur.com\/accueil\/wp-content\/uploads\/2011\/10\/volcan-cnrs.jpg?fit=775%2C230&ssl=1&resize=700%2C400 2x"},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/17785","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=17785"}],"version-history":[{"count":2,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/17785\/revisions"}],"predecessor-version":[{"id":26655,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/posts\/17785\/revisions\/26655"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media\/11662"}],"wp:attachment":[{"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/media?parent=17785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/categories?post=17785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.laterredufutur.com\/accueil\/wp-json\/wp\/v2\/tags?post=17785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}