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1929 Murchison earthquake : ウィキペディア英語版 | 1929 Murchison earthquake
The 1929 Murchison earthquake occurred at 10:17 AM on 17 June. It struck the Murchison region of the South Island, with an estimated magnitude of 7.8, and was felt throughout New Zealand. There were 17 casualties, mostly as a result of landslides triggered by the earthquake. The rumbling sound of the earthquake was loud enough to be heard at New Plymouth, more than 250 km away. ==Tectonic setting==
New Zealand sits astride the boundary between the Indo-Australian Plate and the Pacific Plate. In the South Island most of the displacement is taken up on the Alpine Fault passing to the north onto a set of strike-slip faults, the Marlborough Fault System. The sense of displacement across the plate boundary is oblique and most of the faults have a reverse component of slip. Some of the resulting deformation is accommodated within the plates themselves away from the boundary. The 1929 Murchison earthquake occurred on the White Creek Fault, located in the Buller Gorge.〔
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「1929 Murchison earthquake」の詳細全文を読む
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