1293 Kamakura earthquake

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1293 Kamakura earthquake
Date 27 May 1293 (1293-05-27)
Magnitude 7.1
Epicenter 35°12′N 139°24′E / 35.2°N 139.4°E / 35.2; 139.4Coordinates: 35°12′N 139°24′E / 35.2°N 139.4°E / 35.2; 139.4
Countries or regions Japan, Kamakura
Tsunami yes
Casualties 23,024[1]

The 1293 Kamakura earthquake in Japan occurred at about 06:00 local time on 27 May 1293.[2] It had an estimated magnitude of 7.1–7.5[3] and triggered a tsunami. The estimated death toll was 23,024.[1] It occurred during the Kamakura period, and the city of Kamakura was seriously damaged.

In the confusion following the quake, Hōjō Sadatoki, the Shikken of the Kamakura Shogunate, carried out a purge against his subordinate Taira no Yoritsuna. In what is referred to as the Heizen Gate Incident, Yoritsuna and 90 of his followers were killed.

It has been suggested that the reference to a large tsunami may be incorrect,[4] although a tsunami deposit has been found that is consistent with this age.[5]

References

  1. ↑ 1.0 1.1 NGDC. "Comments for the Significant Earthquake". Retrieved 31 October 2010. 
  2. ↑ Usami, T. (1979). "Study of historical earthquakes in Japan". Bulletin of the Earthquake Research Institute 54: 399–439. Retrieved 31 October 2010. 
  3. ↑ IISEE. "Search parameters page". Catalog of Damaging Earthquakes in the World (from ancient times through June, 2009). Retrieved 31 October 2010. 
  4. ↑ NGDC. "Comments for the Tsunami Event". Retrieved 31 October 2010. 
  5. ↑ Haeing Yoong, K. (2010). "Past three Kanto earthquakes inferred from the tsunami deposits survey in the southern Miura Peninsula, Central Japan". Geological Society of America Abstracts with Programs 42. p. 106. Retrieved 31 October 2010. 
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