M 6.3 - 29 km SW of Makurazaki, Japan
- 1978-05-23 07:50:28 (UTC)
- 31.055°N 130.134°E
- 161.0 km depth
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IVmmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 6.3 mb
- Depth
- 161.0 km
- Time
- 1978-05-23 07:50:28 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