SCEDC Home
Home

== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California



Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:54:22 AM (PDT) on Wednesday, October 10, 2018.
The magnitude 0.5 event occurred 6 km (4 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 0.5 - duration magnitude (Md)
Time Wednesday, October 10, 2018 at 8:54:22 AM (PDT)
Wednesday, October 10, 2018 at 15:54:22 (UTC)
Distance from Cobb, CA - 6 km (4 miles) WNW (283 degrees)
The Geysers, CA - 7 km (4 miles) NNW (333 degrees)
Kelseyville, CA - 16 km (10 miles) SSE (166 degrees)
Soda Bay, CA - 18 km (11 miles) S (181 degrees)
Middletown, CA - 18 km (11 miles) WNW (301 degrees)
Coordinates 38 deg. 50.1 min. N (38.835N), 122 deg. 47.6 min. W (122.794W)
Depth 2.31 km (1.4 miles)
Quality Excellent
Location Quality Parameters Nst=9, Nph=11, Dmin=0.5 km, Rmss=0.02 sec, Erho=0.73 km, Erzz=0.38 km, Gp=79 degrees
Event ID# nc73095861
Additional Information map || waveforms
  

For more information, see http://earthquake.usgs.gov

[ Index map || big earthquake list || all earthquake list || glossary of terms || top page ]
[ Did you feel it? || ShakeMaps || Relative2Me ]
[ Data Sources || Contacts ]

Research Tools
General Earthquake Information
Stations/ Instrumentation
About the Data Center