M 7.5 - 137 km WSW of Rishiri Town, Japan
- 1940-08-01 15:08:24 (UTC)
- 44.561°N 139.678°E
- 15.0 km depth
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- ShakeMap
Vmmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 7.5 mw
- Depth
- 15.0 km
- Time
- 1940-08-01 15:08:24 UTC
View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 4.0
Contributors ISCGEM
ISC-GEM