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|date = |time = 〔 |duration = |magnitude = 5.7 Mw 〔 |depth = 〔 |location = 〔 |type = Oblique-slip |affected = San Francisco Bay Area Northern California United States |damages = $1 million 〔 |intensity = VII (''Very Strong'') 〔 |pga = 0.18''g'' 〔 |tsunami = |landslide = Yes 〔 |foreshocks = |aftershocks = |casualties = 1 dead, 40 injured 〔 }} The 1957 San Francisco earthquake (also known as the Daly City earthquake of 1957) occurred on March 22 at with a moment magnitude of 5.7 and a maximum Mercalli Intensity of VII (''Very Strong''). The shock was located in Northern California in the vicinity of the San Andreas Fault. There was both a foreshock and aftershock sequence that lasted through the month of June. Damage was considered minimal, but financial losses amounted to around US$1 million. ==Tectonic setting== The San Andreas Fault is a northwest-striking transform fault that accommodates motion between the Pacific and North American Plates. The Mendocino Triple Junction is an area of high seismicity, and marks its northern extremity at the Gorda Plate, which is subducting beneath the North American Plate. Three moderate events in the San Francisco Bay Area occurred on or near the San Andreas Fault in the early nineteenth-century. 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「1957 San Francisco earthquake」の詳細全文を読む スポンサード リンク
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