M1.9 - 14km NNW of Heber Springs, Arkansas 2014-08-31 12:07:48 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 35.604°N, 92.117°W ± 1.5 km
Depth 4.6 km ± 4.3 km
Number of Stations Used 11
Number of Phases Used 16
Minimum Distance 28.0 km (0.25°)
Travel Time Residual 0.35 sec
Azimuthal Gap 133°
Review Status MANUAL
Event ID nm083114a
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions