SCEDC Home
Home

== PRELIMINARY EARTHQUAKE REPORT ==

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



Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.

A micro earthquake occurred at 10:00:38 AM (PDT) on Thursday, July 30, 2020.
The magnitude 1.1 event occurred 9 km (6 miles) WNW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).



Magnitude 1.1 - duration magnitude (Md)
Time Thursday, July 30, 2020 at 10:00:38 AM (PDT)
Thursday, July 30, 2020 at 17:00:38 (UTC)
Distance from The Geysers, CA - 9 km (6 miles) WNW (302 degrees)
Cobb, CA - 10 km (6 miles) W (269 degrees)
Cloverdale, CA - 15 km (9 miles) E (84 degrees)
Kelseyville, CA - 18 km (11 miles) S (181 degrees)
Soda Bay, CA - 21 km (13 miles) SSW (193 degrees)
Coordinates 38 deg. 49.2 min. N (38.820N), 122 deg. 50.6 min. W (122.843W)
Depth 2.11 km (1.3 miles)
Quality Excellent
Location Quality Parameters Nst=26, Nph=26, Dmin=0.8 km, Rmss=0.04 sec, Erho=0.22 km, Erzz=0.4 km, Gp=56 degrees
Event ID# nc73435971
Additional Information map || waveforms
  

For more information, see https://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