M 6.5 - 150 km SE of Shizunai-furukawach?, Japan
- 1983-04-30 14:03:49 (UTC)
- 41.473°N 143.764°E
- 30.4 km depth
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Vmmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 6.5 mb
- Depth
- 30.4 km
- Time
- 1983-04-30 14:03:49 UTC
Focal Mechanism Fault Plane Solution View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 3.0
Contributors US
USGS National Earthquake Information Center, PDE