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The geology of Chile is a characterized by processes linked to subduction, such as volcanism, earthquakes, and orogeny. The building blocks of Chile's geology were assembled during the Paleozoic Era when Chile was the southwestern margin of the supercontinent Gondwana .
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. The service was formed in 1980 by the combination of the previous Institute of Geological Investigations and the State Mines Service.
Chile lies in a region which is adjacent to the fast-moving Nazca plate, and has high tectonic activity.The records for earlier centuries are apparently incomplete. 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.
Earthquakes are frequent in Chile, which lies in the so-called Ring of Fire, where many of the world's active volcanoes and seismic activities are concentrated at.Off the coast of Chile, the Nazca plate subducts beneath the South American plate along the Peru–Chile Megathrust; a convergent plate boundary.
M8.2 – 95km NW of Iquique, Chile – United States Geological Survey; Tsunami alert after 8.2 quake strikes off Chile – BBC News; 5 Dead After Powerful Quake Strikes Off Chile's Coast – ABC News; Powerful earthquake strikes off Chile Archived 3 April 2014 at the Wayback Machine – CNN
Chile, Atacama Region: 7.4 14.8 VIII At least 5 people were killed, and 24 people were injured. 5 24 6 [95] Kazakh Soviet Socialist Republic, 94 km southeast of Kurchatov: 6.0 1.0 II This earthquake was caused by an Underground nuclear explosion - - 15 [96] Solomon Islands offshore, 58 km West of Gizo: 6.5 7.4 VI - - - 16 [97]
Cerro Azul is part of the South Volcanic Zone, which runs through central and western Chile and extends south to Argentina. This range includes at least nine caldera complexes, more than 70 of Chile's stratovolcanoes and volcanic fields that have been active in the Quaternary, and hundreds of minor eruptive centres. The South Volcanic Zone is ...
China Geological Survey (GSC) – Chinese geological survey (1962-) Chinese Academy of Geological Sciences ( CAGS ) – geological research institute Pages displaying wikidata descriptions as a fallback