Recent Earthquakes in California and Nevada


== 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 6:40:06 AM (PDT) on Friday, September 10, 2021.
The magnitude 0.7 event occurred 3 km (2 miles) NNW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).


Magnitude 0.7 - duration magnitude (Md)
Time Friday, September 10, 2021 at 6:40:06 AM (PDT)
Friday, September 10, 2021 at 13:40:06 (UTC)
Distance from The Geysers, CA - 3 km (2 miles) NNW (335 degrees)
Cobb, CA - 5 km (3 miles) WSW (244 degrees)
Middletown, CA - 15 km (9 miles) WNW (293 degrees)
Lower Lake, CA - 18 km (11 miles) SW (230 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (268 degrees)
Coordinates 38 deg. 48.2 min. N (38.803N), 122 deg. 46.3 min. W (122.772W)
Depth 1.45 km (0.9 miles)
Quality Excellent
Location Quality Parameters Nst=10, Nph=10, Dmin=1.1 km, Rmss=0.02 sec, Erho=0.29 km, Erzz=0.73 km, Gp=78 degrees
Event ID# nc73623086
Additional Information Map

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 ]

Special maps
Long Valley || Los Angeles || San Francisco

Data Sources
US and World - USGS/NEIC = National Earthquake Information Center
Northern California - UCB = University of California, Berkeley
Southern California - Caltech = California Institute of Technology
Nevada - UNR = University of Nevada, Reno
Offshore = West Coast & Alaska Tsunami Warning Center
...all members of the Advanced National Seismic System (ANSS)