M 6.3 - 15 km N of Nandayure, Costa Rica
- 1991-03-16 06:02:10 (UTC)
- 10.174°N 85.184°W
- 33.3 km depth
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VImmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 6.3 mw
- Depth
- 33.3 km
- Time
- 1991-03-16 06:02:10 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