M1.8 - 12km SE of Fairfield Bay, Arkansas (BETA) 2014-05-20 01:03:00 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 35.523°N, 92.170°W ± 1.5 km
Depth 5.9 km ± 6.3 km
Number of Stations Used 8
Number of Phases Used 12
Minimum Distance 20.0 km (0.18°)
Travel Time Residual 0.26 sec
Azimuthal Gap 130°
Review Status MANUAL
Event ID nm052014d
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions