M1.9 Quarry Blast - 11km E of Quarry near Portola Valley, CA (BETA) 2013-12-23 21:04:37 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 1.9 Md ± 0.30
Location 37.328°N, 122.101°W ± 0.2 km
Depth 0.0 km ± 31.6 km
Number of Stations Used Not Specified
Number of Phases Used 34
Minimum Distance 3.0 km (0.03°)
Travel Time Residual 0.12 sec
Azimuthal Gap 65°
Review Status MANUAL
Event ID nc72129346
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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