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1970 Ancash earthquake : ウィキペディア英語版 | 1970 Ancash earthquake
|magnitude = 7.9 Mw 〔〔 |depth = 〔 |location = 〔 |intensity = VIII (''Severe'') |PGA = .1''g'' at Lima 〔 |tsunami = 〔 |countries affected = Peru |casualties = 66,794–70,000 dead 〔 50,000 injured 〔 }} The 1970 Ancash earthquake (also known as the Great Peruvian earthquake) occurred on May 31 off the coast of Peru in the Pacific Ocean at . Combined with a resultant landslide, it was the worst catastrophic natural disaster ever recorded in the history of Peru. Due to the large amounts of snow and ice included in the landslide and its estimated 66,794 to 70,000 casualties, it is also considered to be the world's deadliest avalanche. ==Earthquake== The undersea earthquake struck on a Sunday afternoon and lasted about 45 seconds. The shock affected the Peruvian regions of Ancash and La Libertad. The epicenter was located off the coast of Casma and Chimbote on the Pacific Ocean, where the Nazca Plate is being subducted by the South American Plate. It had a moment magnitude of 7.9 and a maximum Mercalli intensity of VIII (''Severe'').
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「1970 Ancash earthquake」の詳細全文を読む
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