翻訳と辞書 |
1932 Jalisco earthquakes : ウィキペディア英語版 | 1932 Jalisco earthquakes
The 1932 Jalisco earthquakes began on June 3 at 10:36 UTC with a megathrust event that registered 8.2 on the moment magnitude scale. With a maximum perceived intensity of X (''Extreme'') on the Mercalli intensity scale, at least 400 deaths were caused in Mexico and neighboring Guatemala.〔 It was the first of a series of seismic events that affected parts of western Mexico during the month of June 1932, all reaching magnitude 7 or greater. The Mexican subduction zone, the Middle America Trench, is seismically active and has generated both destructive and non-destructive tsunamis. Each earthquake in the series caused significant damage, injuries, and deaths, and in each case tsunamis of various heights were generated, with the June 22 catastrophic tsunami in Cuyutlán and San Blas being described as one of the most destructive events in the region based on all available historical records. ==Tectonic setting== This part of Mexico lies on a complex convergent boundary where the Rivera Plate and the Cocos Plate are being subducted beneath the North American Plate. The transform boundary between the Rivera and Cocos Plates is poorly defined. This earthquake is thought to have ruptured the south-easternmost segment of the interface involving the Rivera Plate,〔 although it may also have affected the north-westernmost part of the Cocos-North American Plate interface. The complex subduction zone off the coast of Colima and Jalisco experiences large recurring earthquakes. Prior events occurred in 1806, 1818, and 1900, and a recurrence period of 77 years was proposed for the region, but because of difficulty in positively identifying the rupture zones, this time frame was not precisely established. In 2003, near the same location, an earthquake with a magnitude of 7.6 claimed 29 lives.
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「1932 Jalisco earthquakes」の詳細全文を読む
スポンサード リンク
翻訳と辞書 : 翻訳のためのインターネットリソース |
Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.
|
|