M1.4 Quarry Blast - 12km E of Quarry near Portola Valley, CA (BETA) 2014-08-08 18:16:23 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 1.4 Md ± 0.20
Location 37.325°N, 122.098°W ± 0.2 km
Depth 0.0 km ± 0.5 km
Number of Stations Used 28
Number of Phases Used 30
Minimum Distance 9.0 km (0.08°)
Travel Time Residual 0.09 sec
Azimuthal Gap 58°
Review Status MANUAL
Event ID nc72270410
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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