M 6.8 - Tonga region
- 1977-06-22 12:08:33 (UTC)
- 22.878°S 175.900°W
- 65.0 km depth
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- ShakeMap
IVmmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 6.8 mb
- Depth
- 65.0 km
- Time
- 1977-06-22 12:08:33 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