M1.2 Quarry Blast - 10km E of Quarry near Portola Valley, CA (BETA) 2013-12-31 19:04:03 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 1.2 Md ± 0.30
Location 37.326°N, 122.111°W ± 0.2 km
Depth 0.0 km ± 31.6 km
Number of Stations Used Not Specified
Number of Phases Used 24
Minimum Distance 4.0 km (0.04°)
Travel Time Residual 0.07 sec
Azimuthal Gap 54°
Review Status MANUAL
Event ID nc72133711
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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