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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.
List of earthquakes in Chile; 0–9. 1604 Arica earthquake; 1615 Arica earthquake; 1657 Concepción earthquake; 1819 Copiapó earthquake; 1822 Valparaíso earthquake;
The subduction zone along Chile's coast has produced the most powerful earthquake ever recorded, the 1960 Valdivia earthquake. Earthquakes are notorious for triggering volcanic eruptions, such as the 1960 Cordón Caulle eruption. Chilean earthquakes have produced tsunamis. Landslides occur frequently in the Andes, most following earthquakes.
There was a cluster of earthquakes starting from the one occurring on 16 March with a magnitude of M w 6.7, and a large earthquake had been expected. [8] [9] The 8.2 earthquake was smaller than what was expected, with a rupture of 200 km (120 mi) in length instead of the expected 600 km (370 mi) rupture. [10]
Tsunamis can occur when an underwater earthquake rapidly displaces massive amounts of water, leading to a large, long wave that builds in intensity as it crosses the ocean. ... the 1960 Chile ...
Off the coast of Chile, the Nazca Plate subducts beneath the South American Plate along the Peru–Chile or Atacama Megathrust, producing large earthquakes including the 1960 Chilean earthquake which had a magnitude of 9.5–9.6 on the moment magnitude scale. [4] In some cases, intraslab earthquakes occur.
The U.S. Geological Survey said the earthquake struck at 9:33 a.m. local time (12:33 p.m. GMT), and its epicenter was 42 kilometers (26 miles) southwest of Huasco, a city in Chile’s Atacama region.
The 1960 Valdivia earthquake and tsunami (Spanish: Terremoto de Valdivia) or the Great Chilean earthquake (Gran terremoto de Chile) occurred on 22 May 1960.Most studies have placed it at 9.4–9.6 on the moment magnitude scale, [1] while some studies have placed the magnitude lower than 9.4.