M1.3 - 10km S of New Madrid, Missouri (BETA) 2013-04-21 02:50:19 UTC


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Location and Magnitude contributed by: New Madrid Seismic Network


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 1.3 Md ± 0.20
Location 36.491°N, 89.529°W ± 0.7 km
Depth 7.2 km ± 2.3 km
Number of Stations Used 17
Number of Phases Used 24
Minimum Distance 6.0 km (0.05°)
Travel Time Residual 0.09 sec
Azimuthal Gap 68°
Review Status AUTOMATIC
Event ID nm042113c
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions