M1.7 - 23km NNE of Morrilton, Arkansas (BETA) 2013-12-06 02:35:34 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 35.354°N, 92.672°W ± 1.6 km
Depth 3.1 km ± 1.4 km
Number of Stations Used 8
Number of Phases Used 12
Minimum Distance 10.0 km (0.09°)
Travel Time Residual 0.09 sec
Azimuthal Gap 158°
Review Status MANUAL
Event ID nm120613a
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions