M 7.5 - 66 km SE of Honiara, Solomon Islands
- 1977-04-20 23:42:50 (UTC)
- 9.890°S 160.348°E
- 19.0 km depth
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VIImmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 7.5 ms
- Depth
- 19.0 km
- Time
- 1977-04-20 23:42:50 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