M1.7 - 6km SSE of Heber Springs, Arkansas (BETA) 2014-07-31 02:11:33 UTC


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Location and Magnitude contributed by: New Madrid Seismic Network


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 1.7 md ± 0.20
Location 35.445°N, 91.995°W ± 4.0 km
Depth 4.2 km ± 12.4 km
Number of Stations Used 7
Number of Phases Used 9
Minimum Distance 32.0 km (0.29°)
Travel Time Residual 0.38 sec
Azimuthal Gap 169°
Review Status MANUAL
Event ID nm073114b
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions