M1.1 - 14km WSW of Portola, California (BETA) 2014-07-31 21:02:42 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 1.1 Md ± 0.20
Location 39.750°N, 120.618°W ± 0.4 km
Depth 5.2 km ± 2.5 km
Number of Stations Used 12
Number of Phases Used 13
Minimum Distance 8.0 km (0.07°)
Travel Time Residual 0.05 sec
Azimuthal Gap 76°
Review Status MANUAL
Event ID nc72269196
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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