{"id":3851,"date":"2025-12-16T11:56:48","date_gmt":"2025-12-16T11:56:48","guid":{"rendered":"https:\/\/sismoiberica.org\/?post_type=glossary&#038;p=3851"},"modified":"2025-12-16T11:56:48","modified_gmt":"2025-12-16T11:56:48","slug":"amplificacio-de-lona-sismica","status":"publish","type":"glossary","link":"https:\/\/sismoiberica.org\/es\/glossary\/amplificacio-de-lona-sismica\/","title":{"rendered":"Amplificaci\u00f3 (de l&#8217;ona s\u00edsmica)"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Increment de l&#8217;amplitud de l&#8217;ona s\u00edsmica durant un terratr\u00e8mol en certes zones degut a les condicions geol\u00f2giques i topogr\u00e0fiques locals. L&#8217;amplificaci\u00f3 es pot produir degut a:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">a) Les caracter\u00edstiques mec\u00e0niques dels materials superficials, incloent el gruix. Els materials superficials m\u00e9s deformables, tals com els sediments no cimentats ni consolidats, tendeixen a amplificar l&#8217;ona s\u00edsmica. Aquests efecte encara s&#8217;accentua m\u00e9s amb un contingut elevat d&#8217;aigua en la porositat dels materials. Com m\u00e9s gran \u00e9s el gruix m\u00e9s gran tendeix a ser l&#8217;amplificaci\u00f3.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">b) Les caracter\u00edstiques topogr\u00e0fiques tals com els cims o valls encaixonades poden generar una concentraci\u00f3 i amplificaci\u00f3 de l&#8217;oscil\u00b7laci\u00f3, degut a fen\u00f2mens de reflexi\u00f3 i resson\u00e0ncia de l&#8217;ona s\u00edsmica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Degut a casos extrems d&#8217;amplificaci\u00f3, un terratr\u00e8mol pot resultar m\u00e9s destructiu en una localitat situada a quil\u00f2metres de dist\u00e0ncia que no pas en el mateix epicentre (per exemple en zones amb gruixos elevats de sediments lacustres de gra fi, saturats en aigua).<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Increment de l&#8217;amplitud de l&#8217;ona s\u00edsmica durant un terratr\u00e8mol en certes zones degut a les condicions geol\u00f2giques i topogr\u00e0fiques locals. L&#8217;amplificaci\u00f3 es pot produir degut a: a) Les caracter\u00edstiques mec\u00e0niques dels materials superficials, incloent el gruix. Els materials superficials m\u00e9s deformables, tals com els sediments no cimentats ni consolidats, tendeixen a amplificar l&#8217;ona s\u00edsmica. Aquests [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"template":"","glossary-cat":[],"class_list":["post-3851","glossary","type-glossary","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/sismoiberica.org\/es\/wp-json\/wp\/v2\/glossary\/3851","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sismoiberica.org\/es\/wp-json\/wp\/v2\/glossary"}],"about":[{"href":"https:\/\/sismoiberica.org\/es\/wp-json\/wp\/v2\/types\/glossary"}],"author":[{"embeddable":true,"href":"https:\/\/sismoiberica.org\/es\/wp-json\/wp\/v2\/users\/1"}],"version-history":[{"count":0,"href":"https:\/\/sismoiberica.org\/es\/wp-json\/wp\/v2\/glossary\/3851\/revisions"}],"wp:attachment":[{"href":"https:\/\/sismoiberica.org\/es\/wp-json\/wp\/v2\/media?parent=3851"}],"wp:term":[{"taxonomy":"glossary-cat","embeddable":true,"href":"https:\/\/sismoiberica.org\/es\/wp-json\/wp\/v2\/glossary-cat?post=3851"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}