M1.9 Quarry Blast - 4km WNW of West Longview, Washington (BETA) 2014-04-28 23:08:43 UTC


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Location and Magnitude contributed by: Pacific Northwest Seismic Network


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 1.9 Ml ± 0.20
Location 46.187°N, 123.044°W ± 0.8 km
Depth 0.0 km ± 31.6 km
Number of Stations Used Not Specified
Number of Phases Used 13
Minimum Distance 9.0 km (0.08°)
Travel Time Residual 0.22 sec
Azimuthal Gap 97°
Review Status MANUAL
Event ID uw60746772
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions