1677 Bōsō earthquake
The Bōsō Peninsula was struck by a major tsunami on 4 November 1677, caused by an earthquake at the southern end of the Japan Trench. It was felt onshore with only a maximum of 4 on the JMA intensity scale, but had an estimated magnitude of 8.3–8.6 Mw. The disparity between the maximum intensity and the magnitude estimated from the tsunami suggest that this was a tsunami earthquake. There no records of significant damage caused by the shaking, but the resulting tsunami caused widespread damage and an estimated 569 people were killed [2]
  | |
| Local date | November 4, 1677 |
|---|---|
| Local time | 20:00[1] |
| Magnitude | 8.3–8.6 Mw |
| Epicenter | 35°N 141.5°E[1] |
| Fault | Japan Trench |
| Type | Megathrust |
| Max. intensity | 4 JMA |
| Tsunami | Yes |
| Casualties | 569 |
References
- IISEE. "Catalog of Damaging Earthquakes in the World (Through 2014)". Retrieved 4 January 2020.
- Yanagisawa, H.; Goto, K.; Sugawara, D.; Kanamaru, K.; Iwamoto, N.; Takamori, Y. (2016). "Tsunami earthquake can occur elsewhere along the Japan Trench—Historical and geological evidence for the 1677 earthquake and tsunami". Journal of Geophysical Research: Solid Earth. 121 (5). doi:10.1002/2015JB012617.
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