M3.8 - 34km ESE of Ridgemark, California (BETA) 2014-08-21 04:33:49 UTC

Summary

Location and Magnitude contributed by: Northern California Seismic System, UC Berkeley and USGS Menlo Park

General

ShakeMap

Contributed by Northern California Seismic System, UC Berkeley and USGS Menlo Park

Instrumental Intensity

PGA (%g)

PGV (cm/s)

Uncertainty

Station List

PAGER

Impact Estimates

Historic Seismicity

City Exposure List

See PAGER XML link (above).

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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 3.8 Mw Not Specified
Location 36.687°N, 121.013°W ± 0.3 km
Depth 8.5 km ± 0.7 km
Number of Stations Used 92
Number of Phases Used 100
Minimum Distance 20.0 km (0.18°)
Travel Time Residual 0.23 sec
Azimuthal Gap 54°
Review Status MANUAL
Event ID nc72281046
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

Moment Tensor

Focal Mechanism

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