M1.5 - 0km SSW of Concord, California (BETA) 2014-08-04 21:57:01 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 1.5 Md ± 0.30
Location 37.975°N, 122.033°W ± 0.5 km
Depth 15.7 km ± 0.7 km
Number of Stations Used 23
Number of Phases Used 24
Minimum Distance 6.0 km (0.05°)
Travel Time Residual 0.08 sec
Azimuthal Gap 86°
Review Status MANUAL
Event ID nc72271861
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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