M1.8 - 12km W of Heber Springs, Arkansas (BETA) 2014-05-20 00:22:46 UTC

Summary

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Scientific

Location and Magnitude contributed by: New Madrid Seismic Network

Summary

Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 1.8 md ± 0.20
Location 35.512°N, 92.163°W ± 2.0 km
Depth 4.8 km ± 6.9 km
Number of Stations Used 8
Number of Phases Used 11
Minimum Distance 20.0 km (0.18°)
Travel Time Residual 0.58 sec
Azimuthal Gap 187°
Review Status MANUAL
Event ID nm052014e
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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