M0.4 Quarry Blast - 1km SW of Winlock, Washington (BETA) 2014-04-28 23:03:31 UTC


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Location and Magnitude contributed by: Pacific Northwest Seismic Network


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 0.4 Md ± 0.20
Location 46.481°N, 122.955°W ± 2.2 km
Depth 0.0 km ± 31.6 km
Number of Stations Used Not Specified
Number of Phases Used 7
Minimum Distance 21.0 km (0.19°)
Travel Time Residual 0.56 sec
Azimuthal Gap 148°
Review Status MANUAL
Event ID uw60746762
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions