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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.
22 May – occurs the 1960 Valdivia earthquake With a magnitude of 9.5 MW, it is the largest recorded in the history of mankind Its epicenter was the city of Valdivia and mainly affected the area between Talca and Chiloé Archipelago The earthquake was felt in different parts of the planet and produced both a tidal wave —which affected various locations throughout the Pacific Ocean such as ...
Part of the sequence was the largest earthquake of all time on May 22. The event reached 9.5 in magnitude and helped spawn a destructive tsunami which affected the Pacific Rim. Aside from this 1960 was active for Peru which had 3 magnitude 7.0+ events. Japan had a magnitude 8.0 in March. Iran had a deadly event in April.
The largest recorded megathrust earthquake was the 1960 Valdivia earthquake, estimated between magnitudes 9.4–9.6, centered off the coast of Chile along the Peru-Chile Trench, where the Nazca plate subducts under the South American plate. [26] This megathrust region has regularly generated extremely large earthquakes.
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.
Nearly 5,000 people were killed by a 9.5 magnitude earthquake in Chile that struck at 3:11 p.m. local time (1511 UTC) near Valdivia. Based on seismographic data, the tremor was measured as the largest earthquake of the 20th century, with 9.5 being almost twice as big (and almost three times as strong) as the 9.2 quake that would strike Alaska ...
4.9–5.5 M fa 2: August 31, 1886 ... 1960 Valdivia earthquake and tsunami – magnitude 9.5 earthquake, between 2200 and 6000 fatalities, including 61 in Hilo, HI;
Rank Magnitude Event Location Date 1 9.5 1960 Valdivia earthquake: Chile, Valdivia May 22, 1960 2 9.2 1964 Alaska earthquake: United States, Alaska March 27, 1964