M1.1 - 14km WSW of Portola, California (BETA) 2014-07-31 21:07:58 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 ± 0.10
Location 39.748°N, 120.622°W ± 0.3 km
Depth 7.5 km ± 1.6 km
Number of Stations Used 13
Number of Phases Used 14
Minimum Distance 7.7 km (0.07°)
Travel Time Residual 0.07 sec
Azimuthal Gap 76°
Review Status MANUAL
Event ID nc72269206
See the “Contributed Solutions” for a list of all contributed location parameters.

Contributed Solutions

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