1707 Hōei earthquake
1707 earthquake and tsunami off the southern coast of Japan / From Wikipedia, the free encyclopedia
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The 1707 Hōei earthquake (宝永地震, Hōei jishin) struck south-central Japan at 14:00 local time on 28 October. It was the largest earthquake in Japanese history[1] until it was surpassed by the 2011 Tōhoku earthquake.[4] It caused moderate-to-severe damage throughout southwestern Honshu, Shikoku and southeastern Kyūshū.[5] The earthquake, and the resulting destructive tsunami, caused more than 5,000 casualties.[3] This event ruptured all of the segments of the Nankai megathrust simultaneously, the only earthquake known to have done this, with an estimated magnitude of 8.6 ML or 8.7 Mw.[2] It possibly also triggered the last eruption of Mount Fuji 49 days later.[6]
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Local date | 28 October 1707 (1707-10-28) |
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Local time | 14:00 [1] |
Magnitude | 8.6 ML, Mw 8.7[2] |
Epicenter | 33.0°N 136.0°E / 33.0; 136.0 |
Fault | Nankai megathrust |
Areas affected | Japan: Chūbu region, Kansai region, Shikoku, Kyūshū |
Tsunami | yes |
Casualties | >5,000[1][3] |
Hōei (宝永) was the era spanning the years from March 1704 through April 1711.