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 10:15:28 AM (PDT) on Wednesday, April 7, 2021.
The magnitude 0.4 event occurred 4 km (2 miles) WNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 0.4 - duration magnitude (Md)
Time Wednesday, April 7, 2021 at 10:15:28 AM (PDT)
Wednesday, April 7, 2021 at 17:15:28 (UTC)
Distance from The Geysers, CA - 4 km (2 miles) WNW (302 degrees)
Cobb, CA - 7 km (4 miles) WSW (245 degrees)
Middletown, CA - 16 km (10 miles) WNW (287 degrees)
Cloverdale, CA - 19 km (12 miles) E (93 degrees)
Lower Lake, CA - 20 km (13 miles) SW (232 degrees)
Coordinates 38 deg. 47.8 min. N (38.796N), 122 deg. 47.7 min. W (122.796W)
Depth 2.62 km (1.6 miles)
Quality Excellent
Location Quality Parameters Nst=16, Nph=16, Dmin=0.7 km, Rmss=0.05 sec, Erho=0.35 km, Erzz=0.62 km, Gp=80 degrees
Event ID# nc73546430
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)