M2.1 - 1km W of Concord, California (BETA) 2014-04-30 02:46:10 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 2.1 Md ± 0.10
Location 37.977°N, 122.051°W ± 0.2 km
Depth 16.5 km ± 0.3 km
Number of Stations Used 75
Number of Phases Used 77
Minimum Distance 2.0 km (0.02°)
Travel Time Residual 0.09 sec
Azimuthal Gap 104°
Review Status MANUAL
Event ID nc72212206
See the “Contributed Solutions” for a list of all contributed location parameters.

Focal Mechanism

Focal Mechanism EQXML

Contributed Solutions

Focal Mechanism

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