M1.2 Quarry Blast - 11km E of Quarry near Portola Valley, CA (BETA) 2014-08-08 19:02:36 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 ± 0.20
Location 37.324°N, 122.102°W ± 0.4 km
Depth 0.0 km ± 31.6 km
Number of Stations Used 18
Number of Phases Used 18
Minimum Distance 9.0 km (0.08°)
Travel Time Residual 0.04 sec
Azimuthal Gap 58°
Review Status MANUAL
Event ID nc72270460
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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