M 6.0 - 77 km NE of Hihifo, Tonga
- 1977-09-13 00:21:52 (UTC)
- 15.454°S 173.289°W
- 33.0 km depth
Focal Mechanism
- The data below are the most preferred data available
- The data below have been reviewed by a scientist
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Earthquake Hazards Program
- In cooperation with:
- US