M1.9 - 11km WNW of Heber Springs, Arkansas (BETA) 2014-05-20 00:46:10 UTC


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Location and Magnitude contributed by: New Madrid Seismic Network


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 1.9 md ± 0.20
Location 35.519°N, 92.156°W ± 1.3 km
Depth 0.1 km ± 2.8 km
Number of Stations Used 10
Number of Phases Used 16
Minimum Distance 21.0 km (0.19°)
Travel Time Residual 0.38 sec
Azimuthal Gap 133°
Review Status MANUAL
Event ID nm052014c
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions