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The service was formed in 1980 by the combination of the previous Institute of Geological Investigations and the State Mines Service. Its director is appointed by the President of Chile. [1] [2] Since 1974, SERNAGEOMIN has published the scientific journal Andean Geology, formerly the Revista Geológica de Chile. [citation needed]
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 .
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.
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.
The partially collapsed 21-story O'Higgins Tower, Concepción. The 2010 Chile earthquake and tsunami (Spanish: Terremoto del 27F) [7] occurred off the coast of central Chile on Saturday, 27 February at 03:34:12 local time (06:34:12 UTC), having a magnitude of 8.8 on the moment magnitude scale, with intense shaking lasting for about three minutes.
The 2015 Illapel earthquake occurred 46 km (29 mi) offshore from Illapel (Coquimbo region, Chile) on September 16 at 19:54:32 Chile Standard Time (22:54:32 UTC), with a moment magnitude of 8.3–8.4. [ 5 ] [ 1 ] [ 6 ] The initial quake lasted between three and five minutes; [ 7 ] it was followed by several aftershocks greater than magnitude six ...
With Christmas only a few weeks away, Andalusia and her husband are excited to celebrate Caper’s first “official” holiday at home, since he was in the hospital during Christmas last year.
China Geological Survey (GSC) – Chinese geological survey (1962-) Chinese Academy of Geological Sciences ( CAGS ) – geological research institute Pages displaying wikidata descriptions as a fallback