M1.7 - 4km SSE of Heber Springs, Arkansas (BETA) 2014-07-31 13:33:39 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 35.451°N, 92.015°W ± 6.9 km
Depth 2.8 km ± 8.5 km
Number of Stations Used 6
Number of Phases Used 8
Minimum Distance 31.0 km (0.28°)
Travel Time Residual 0.35 sec
Azimuthal Gap 227°
Review Status MANUAL
Event ID nm073114f
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions