M1.7 - 4km SSW of Heber Springs, Arkansas (BETA) 2014-08-07 01:51:45 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 35.458°N, 92.058°W ± 1.7 km
Depth 3.8 km ± 9.2 km
Number of Stations Used 7
Number of Phases Used 10
Minimum Distance 28.0 km (0.25°)
Travel Time Residual 0.27 sec
Azimuthal Gap 133°
Review Status MANUAL
Event ID nm080714a
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions