M1.8 - 9km NW of Tiptonville, Tennessee (BETA) 2014-04-21 06:15:02 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 36.445°N, 89.543°W ± 0.4 km
Depth 9.4 km ± 1.0 km
Number of Stations Used 24
Number of Phases Used 46
Minimum Distance 6.0 km (0.05°)
Travel Time Residual 0.05 sec
Azimuthal Gap 40°
Review Status MANUAL
Event ID nm042114a
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions