M1.7 Quarry Blast - 11km E of Quarry near Portola Valley, CA (BETA) 2014-04-30 17:25:28 UTC

Summary

Location and Magnitude contributed by: Northern California Seismic System, UC Berkeley and USGS Menlo Park

General

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Scientific

Location and Magnitude contributed by: Northern California Seismic System, UC Berkeley and USGS Menlo Park

Summary

Preferred Location Parameters

Parameter Value Uncertainty
Magnitude 1.7 Md ± 0.20
Location 37.324°N, 122.102°W ± 0.2 km
Depth 0.0 km ± 31.6 km
Number of Stations Used 24
Number of Phases Used 24
Minimum Distance 6.0 km (0.05°)
Travel Time Residual 0.04 sec
Azimuthal Gap 83°
Review Status MANUAL
Event ID nc72212936
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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