M 3.5 - 4 km NE of Black Rock, Arkansas
- 1994-08-20 10:45:45 (UTC)
- 36.140°N 91.063°W
- 9.9 km depth
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IVmmi 
Estimated Intensity Map Origin - Review Status
- REVIEWED
- Magnitude
- 3.5 md
- Depth
- 9.9 km
- Time
- 1994-08-20 10:45:45 UTC
View Nearby Seismicity - Time Range
± Three Weeks - Search Radius
250.0 km - Magnitude Range
≥ 1.0
Contributors NM
New Madrid Seismic Network