{"id":176983,"date":"2025-08-18T09:30:08","date_gmt":"2025-08-18T08:30:08","guid":{"rendered":"https:\/\/helloproject.es\/vigilancia\/vinculan-antiguos-sismos-de-republica-dominicana-con-fallas-actualmente-activas\/"},"modified":"2025-08-18T09:30:08","modified_gmt":"2025-08-18T08:30:08","slug":"vinculan-antiguos-sismos-de-republica-dominicana-con-fallas-actualmente-activas","status":"publish","type":"post","link":"https:\/\/helloproject.es\/vigilancia\/vinculan-antiguos-sismos-de-republica-dominicana-con-fallas-actualmente-activas\/","title":{"rendered":"Vinculan antiguos sismos de Rep\u00fablica Dominicana con fallas actualmente activas"},"content":{"rendered":"

Un equipo de internacional de ge\u00f3logos ha identificado en la Playa Tortuguero, en la isla La Espa\u00f1ola (Rep\u00fablica Dominicana), un afloramiento bien conservado de estructuras de licuefacci\u00f3n en sedimentos procedentes del periodo geol\u00f3gico actual \u2013denominado Holoceno\u2013 que comenz\u00f3 hace 11 700 a\u00f1os.\u00a0<\/p>\n

Estas estructuras son deformaciones\u00a0que se han conservado en las rocas y \u00a0fueron provocadas por la vibraci\u00f3n que producen terremotos de magnitud superior a siete<\/p>\n

Estas estructuras son deformaciones, conocidas como\u00a0sismitas, que se han conservado en las rocas y que fueron provocadas por la vibraci\u00f3n que producen terremotos de magnitud superior a 7, seg\u00fan sugiere una investigaci\u00f3n liderada por cient\u00edficos de la\u00a0Universidad de Oviedo\u00a0y el Instituto Geol\u00f3gico y Minero de Espa\u00f1a (IGME-CSIC).<\/p>\n

Los expertos creen que este tipo de fen\u00f3menos sucedieron en el territorio entre 2 000 y 1 800 a\u00f1os, con una recurrencia aproximada de 200 a\u00f1os. El hallazgo, publicado en la revista\u00a0Scientific Reports, refuerza la importancia de incorporar datos geol\u00f3gicos en la evaluaci\u00f3n del\u00a0riesgo s\u00edsmico en la isla de La Espa\u00f1ola.<\/p>\n

<\/a><\/p>\n

Causas s\u00edsmicas<\/h2>\n

Hist\u00f3ricamente, la regi\u00f3n sur de La Espa\u00f1ola ha registrado al menos 12 terremotos de magnitud superior a 6,5. Desde el punto de vista geol\u00f3gico, sin embargo, su vinculaci\u00f3n con fallas espec\u00edficas se ha visto dificultada por la falta de rupturas superficiales del terreno que evidencien su actividad s\u00edsmica.<\/p>\n

Para este estudio, se han utilizado ortoim\u00e1genes de dron, an\u00e1lisis sedimentol\u00f3gicos y estructurales, dataciones por radiocarbono y modelizaci\u00f3n probabil\u00edstica de amenaza s\u00edsmica (PSHA) para identificar con precisi\u00f3n las\u00a0estructuras de licuefacci\u00f3n y desvelar sus causas.<\/p>\n

Las caracter\u00edsticas en las rocas son compatibles con los efectos de paleo-terremotos de una intensidad entre ocho y diez<\/p>\n

Los trabajos de campo se realizaron en Playa Tortuguero, donde se observaron los dep\u00f3sitos recientes con sismitas, caracterizadas por el desarrollo de estructuras en domos y cubetas de hasta 3 metros de di\u00e1metro, hundimientos de hasta 20 cent\u00edmetros y expansi\u00f3n del terreno.<\/p>\n

Las caracter\u00edsticas observadas en las rocas son compatibles con los efectos de paleo-terremotos de una intensidad entre 8 y 10, seg\u00fan la Escala de Intensidad S\u00edsmica (ESI).\u00a0<\/p>\n

<\/a><\/p>\n

Gesti\u00f3n\u00a0del riesgo<\/h2>\n

Los resultados apuntan a que las fallas de Beata y la fosa de Los Muertos, responsables del terremoto de Azua de 1751 podr\u00edan generar nuevos eventos destructivos.\u00a0<\/p>\n

Las fallas de Beata y la fosa de Los Muertos son responsables del terremoto de Azua de 1751 y podr\u00edan generar nuevos eventos destructivos.\u00a0<\/p>\n

El \u00e1rea de mayor amenaza s\u00edsmica incluye las provincias de Azua, Ban\u00ed y Barahona, con una poblaci\u00f3n de m\u00e1s de\u00a0650 000 personas.<\/p>\n

Este estudio proporciona una base cient\u00edfica s\u00f3lida para actualizar los mapas de riesgo s\u00edsmico y planificar estrategias de ordenaci\u00f3n territorial y protecci\u00f3n civil en la regi\u00f3n, se\u00f1ala el investigador del IGME,\u00a0Javier Escuder Viruete.<\/p>\n

Referencia:\u00a0<\/p>\n

Fern\u00e1ndez, F. et al.\u00a0Soft-sediment deformation structures in Holocene coastal gravel deposits reveal two 1.8\u20132.0 ka old Mw > 7.0 earthquakes in southern-central Hispaniola.\u00a0Scientific Reports<\/a>. 2025.\u00a0<\/p>","protected":false},"excerpt":{"rendered":"

Un equipo de internacional de ge\u00f3logos ha identificado en la Playa Tortuguero, en la isla La Espa\u00f1ola (Rep\u00fablica Dominicana), un afloramiento bien conservado de estructuras de licuefacci\u00f3n en sedimentos procedentes del periodo geol\u00f3gico actual \u2013denominado Holoceno\u2013 que comenz\u00f3 hace 11 700 a\u00f1os.\u00a0 Estas estructuras son deformaciones\u00a0que se han conservado en las rocas y \u00a0fueron provocadas […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","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":"","ast-disable-related-posts":"","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-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":"","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-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":"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":""},"mobile":{"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":""}},"footnotes":""},"categories":[5],"tags":[],"class_list":["post-176983","post","type-post","status-publish","format-standard","hentry","category-noticias"],"yoast_head":"\nVinculan antiguos sismos de Rep\u00fablica Dominicana con fallas actualmente activas - 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