M 6.5 - 1 km WNW of Kumagaya, Japan
- 1931-09-21 02:20:01 (UTC)
- 36.140°N 139.380°E
- 15.0 km depth
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- ShakeMap
VIImmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 6.5 mw
- Depth
- 15.0 km
- Time
- 1931-09-21 02:20:01 UTC
View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 3.0
Contributors ISCGEM
ISC-GEM