M1.8 - 4km SW of Heber Springs, Arkansas (BETA) 2014-08-10 09:44:37 UTC


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Location and Magnitude contributed by: New Madrid Seismic Network


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 1.8 md ± 0.20
Location 35.461°N, 92.061°W ± 1.5 km
Depth 3.5 km ± 7.3 km
Number of Stations Used 7
Number of Phases Used 11
Minimum Distance 28.0 km (0.25°)
Travel Time Residual 0.34 sec
Azimuthal Gap 133°
Review Status MANUAL
Event ID nm081014a
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions