M2.1 - 25km NW of Greenbrier, Arkansas (BETA) 2014-04-28 11:52:20 UTC


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Location and Magnitude contributed by: New Madrid Seismic Network


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 2.1 md ± 0.20
Location 35.382°N, 92.608°W ± 2.7 km
Depth 8.7 km ± 4.8 km
Number of Stations Used 9
Number of Phases Used 15
Minimum Distance 13.0 km (0.12°)
Travel Time Residual 0.36 sec
Azimuthal Gap 90°
Review Status MANUAL
Event ID nm042814a
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions