M 7.6 - 199 km ESE of Hihifo, Tonga
- 1977-04-02 07:15:22 (UTC)
- 16.696°S 172.095°W
- 33.0 km depth
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IVmmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 7.6 ms
- Depth
- 33.0 km
- Time
- 1977-04-02 07:15:22 UTC
Focal Mechanism Fault Plane Solution View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 4.0
Contributors US
USGS National Earthquake Information Center, PDE