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In 1927, the service was placed under the Department of Geophysics (DOG) by the University of Chile. [7] In 2013, its name was officially changed to Centro Sismológico Nacional (CSN). [8] After an earthquake on April 21, 2007 in the Aysén Region, the national authorities were in dire need of an emergency plan in case of earthquakes and tsunamis.
Mexico lies within two seismically active earthquake zones. The Baja California peninsula lies near the boundary of the Pacific plate and the North American plate, while southern Mexico lies just north of the boundary between the North American plate and the Cocos and Rivera tectonic plates. The Cocos plate is subducting under the North ...
The National Seismological Service (Spanish: Servicio Sismológico Nacional, SSN) is a seismological organization in Mexico that studies and records earthquake activity within the country. It is part of the Geophysics Institute at the National Autonomous University of Mexico (UNAM) and is based in Mexico City.
Mexico's National Center for Prevention of Disasters (Centro Nacional de Prevención de Desastres, or CENAPRED) is a federal agency, attached to the Secretariat of the Interior. Based in Mexico City, its function is to alert residents of possible disasters, such as volcanic eruptions.
Of the world's 46 known earthquakes with M ≥ 8.5 since the year 1500, one-third occurred in Chile [citation needed] and are shown in the map to the side. Some virtually have the same epicenters like the 1604 and 1868 (in Arica), the 1730 and 1822 (in Valparaíso), the 1751 and 1835 (in Concepción), and the 1575 and 1837 (in Valdivia).
The National Geology and Mining Service (Spanish: Servicio Nacional de Geología y Minería; SERNAGEOMIN) is a Chilean government agency. Its function is to provide geological information and advice, technical assistance to government, public and private interests, and to regulate the mining industry in Chile .
From Wikipedia, the free encyclopedia. Redirect page. Redirect to: Servicio Meteorológico Nacional (Mexico)
The Mexican Secretariat of National Defense (SEDENA); Spanish: Secretaría de la Defensa Nacional is the government department responsible for managing Mexico's Army and Air Forces. Its head is the Secretary of National Defense who, like the co-equal Secretary of the Navy , is directly answerable to the President. [ 2 ]