{"id":444,"date":"2025-10-25T04:26:31","date_gmt":"2025-10-25T02:26:31","guid":{"rendered":"https:\/\/aps972.duckdns.org\/?page_id=444"},"modified":"2025-10-25T04:56:55","modified_gmt":"2025-10-25T02:56:55","slug":"%f0%9f%8c%8d-quel-est-le-bruit-dun-seisme","status":"publish","type":"page","link":"https:\/\/aps972.duckdns.org\/en\/%f0%9f%8c%8d-quel-est-le-bruit-dun-seisme\/","title":{"rendered":"\ud83c\udf0d Quel est le bruit d\u2019un s\u00e9isme ?"},"content":{"rendered":"<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\ud83d\udd0a 1. <strong>Ce que l\u2019on entend r\u00e9ellement<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le s\u00e9isme ne produit pas un \u201cson\u201d comme une explosion, mais des <strong>vibrations<\/strong> qui peuvent g\u00e9n\u00e9rer :\n<ul class=\"wp-block-list\">\n<li>Des <strong>grondements sourds<\/strong><\/li>\n\n\n\n<li>Des <strong>craquements<\/strong> de murs, charpentes, vitres<\/li>\n\n\n\n<li>Des <strong>bruits de meubles qui bougent<\/strong>, tombent ou vibrent<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Ces sons sont dus \u00e0 la <strong>r\u00e9action des structures<\/strong> au passage des ondes, pas aux ondes elles-m\u00eames <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Bruit_sismique\">1<\/a> <a href=\"https:\/\/observaterre.fr\/geosciences-pour-tous\/la-sismologie\/les-vibrations-ambiantes-du-sol\/\">2<\/a>.<\/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\">\ud83c\udf10 2. <strong>Ce que les sismom\u00e8tres enregistrent<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les appareils captent un <strong>bruit sismique<\/strong> permanent, m\u00eame hors s\u00e9isme :\n<ul class=\"wp-block-list\">\n<li><strong>Micros\u00e9ismes<\/strong> (basse fr\u00e9quence &lt; 1 Hz) : caus\u00e9s par les vagues oc\u00e9aniques, le vent, etc.<\/li>\n\n\n\n<li><strong>Microtr\u00e9mors<\/strong> (haute fr\u00e9quence > 1 Hz) : dus \u00e0 l\u2019activit\u00e9 humaine (circulation, machines) <a href=\"https:\/\/fr.wikipedia.org\/wiki\/Bruit_sismique\">1<\/a>.<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Lors d\u2019un s\u00e9isme, les ondes sismiques (P, S, et de surface) provoquent des <strong>pics de vibration<\/strong> qui peuvent \u00eatre traduits en sons dans des simulations.<\/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\">\ud83e\udde0 3. <strong>Perception humaine<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Les personnes proches de l\u2019\u00e9picentre d\u00e9crivent souvent :\n<ul class=\"wp-block-list\">\n<li>Un <strong>grondement souterrain<\/strong> semblable \u00e0 un train ou un avion<\/li>\n\n\n\n<li>Un <strong>bruit de rupture<\/strong> soudain (comme un coup de tonnerre)<\/li>\n\n\n\n<li>Un <strong>silence \u00e9trange<\/strong> juste avant ou apr\u00e8s<\/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\">\ud83e\udde9 Int\u00e9gration p\u00e9dagogique<\/h3>\n\n\n\n<p>Tu peux :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Utiliser des <strong>enregistrements audio simul\u00e9s<\/strong> <a href=\"https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/sf_earthquake_02.mp3\" target=\"_blank\" rel=\"noreferrer noopener\">bruitage1<\/a>, <a href=\"https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/sf_earthquake_01.mp3\" target=\"_blank\" rel=\"noreferrer noopener\">bruitage2<\/a>, <a href=\"https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/https___voicebot.su_fr_sound_zvukzemletryaseniyakogdavkvartiretryasetsyavsedajestenyiposuda_.mp3\" target=\"_blank\" rel=\"noreferrer noopener\">bruitage3<\/a>, <a href=\"https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/https___voicebot.su_fr_sound_zvuknebolshogozemletryaseniya_.mp3\" target=\"_blank\" rel=\"noreferrer noopener\">bruitage4<\/a>, <a href=\"https:\/\/aps972.duckdns.org\/wp-content\/uploads\/2025\/10\/https___voicebot.su_fr_sound_zvuknastoyashchegozemletryaseniyaprisdvigetektonicheskihplit_.mp3\" target=\"_blank\" rel=\"noreferrer noopener\">bruitage5<\/a><\/li>\n\n\n\n<li>Cr\u00e9er un <strong>jeu de r\u00f4le PPMS s\u00e9isme<\/strong> avec bruitage (pour cr\u00e9er des automatismes chez les \u00e9l\u00e8ves et le personnel).<\/li>\n\n\n\n<li>Associer les sons \u00e0 des <strong>fiches r\u00e9flexes illustr\u00e9es<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Souhaites-tu que je t\u2019aide \u00e0 cr\u00e9er une fiche sonore ou une activit\u00e9 sensorielle pour les \u00e9l\u00e8ves ? Je peux aussi t\u2019aider \u00e0 int\u00e9grer ces \u00e9l\u00e9ments dans tes jeux p\u00e9dagogiques ou ton site WordPress \ud83c\udfa7\ud83d\udcce.<\/p>\n\n\n\n<p>Sources :<br><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Bruit_sismique\">1<\/a><a href=\"https:\/\/fr.wikipedia.org\/wiki\/Bruit_sismique\">Wikip\u00e9dia \u2013 Bruit sismique<\/a><br><a href=\"https:\/\/observaterre.fr\/geosciences-pour-tous\/la-sismologie\/les-vibrations-ambiantes-du-sol\/\">2<\/a><a href=\"https:\/\/observaterre.fr\/geosciences-pour-tous\/la-sismologie\/les-vibrations-ambientes-du-sol\/\">Observaterre \u2013 Vibrations du sol<\/a><\/p>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>\ud83d\udd0a 1. Ce que l\u2019on entend r\u00e9ellement \ud83c\udf10 2. Ce que les sismom\u00e8tres enregistrent \ud83e\udde0 3. Perception humaine \ud83e\udde9 Int\u00e9gration [&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 center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-444","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\ud83c\udf0d Quel est le bruit d\u2019un s\u00e9isme ? - APS972<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/aps972.duckdns.org\/en\/\ud83c\udf0d-quel-est-le-bruit-dun-seisme\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\ud83c\udf0d Quel est le bruit d\u2019un s\u00e9isme ? - APS972\" \/>\n<meta property=\"og:description\" content=\"\ud83d\udd0a 1. 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