M1.8 - 9km S of Clinton, Arkansas (BETA) 2014-08-20 16:50:11 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 35.510°N, 92.446°W ± 1.5 km
Depth 0.7 km ± 1.9 km
Number of Stations Used 11
Number of Phases Used 15
Minimum Distance 6.0 km (0.05°)
Travel Time Residual 0.17 sec
Azimuthal Gap 115°
Review Status MANUAL
Event ID nm082114a
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions