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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.
They formed part of the foreshock sequence for the 1960 Valdivia earthquake, the largest recorded earthquake in history. [6] The first was on May 21 at 06:02 UTC-4. [3] [7] Its epicenter was near Cañete, Bío Bío Region, Chile, and its magnitude was 8.1 [1] or 8.3 [2] M W and 7.3 [3] or 7.5 [4] M S. This earthquake, which lasted 35 seconds ...
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 ...
Valdivia had been a province of the Captaincy General of Chile and was in 1826 incorporated as one of the eight provinces of Chile. [5] On February 20, 1835, Valdivia was affected by the worst earthquake in the area in several decades, event witnessed by Charles Darwin. [2]
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 1960 Valdivia earthquake, whose tsunami pummeled Hilo and led to the deaths of 65 people, [1] exposed serious deficiencies in the island-wide warning system for natural disasters. The islands' existing warning system had been created in 1946, after a tsunami killed 150, and was described by scientists after Valdivia as a "horse and buggy ...
1960 Valdivia earthquake This page was last edited on 7 September 2023, at 21:54 (UTC). Text is available under the Creative Commons Attribution-ShareAlike 4.0 ...
M w [37] The largest earthquake in recorded history. 1960 Valdivia earthquake: 13 October 1963 15:17 (local time) Kuril Islands, USSR (present-day Russia) 0 8.5 M w [38] One of the largest earthquake in recorded history. 1963 Kuril Islands earthquake: 27 March 1964 17:36 (local time) Prince William Sound, Alaska: 131 9.2 M w [39] The second ...