M0.9 Quarry Blast - 3km SSE of Castle Rock, Washington (BETA) 2014-03-20 18:42:30 UTC


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Location and Magnitude contributed by: Pacific Northwest Seismic Network


Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 0.9 Md ± 0.10
Location 46.248°N, 122.897°W ± 2.7 km
Depth 0.0 km ± 31.6 km
Number of Stations Used Not Specified
Number of Phases Used 8
Minimum Distance 16.0 km (0.14°)
Travel Time Residual 0.36 sec
Azimuthal Gap 220°
Review Status MANUAL
Event ID uw60047008
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions