Recent Earthquakes in California and Nevada


== 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 8:21:37 PM (PDT) on Tuesday, April 6, 2021.
The magnitude 1.5 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).


Magnitude 1.5 - duration magnitude (Md)
Time Tuesday, April 6, 2021 at 8:21:37 PM (PDT)
Wednesday, April 7, 2021 at 3:21:37 (UTC)
Distance from The Geysers, CA - 7 km (4 miles) NW (307 degrees)
Cobb, CA - 9 km (5 miles) W (265 degrees)
Cloverdale, CA - 17 km (11 miles) E (86 degrees)
Kelseyville, CA - 18 km (11 miles) S (175 degrees)
Middletown, CA - 19 km (12 miles) WNW (292 degrees)
Coordinates 38 deg. 48.9 min. N (38.816N), 122 deg. 49.3 min. W (122.822W)
Depth 2.28 km (1.4 miles)
Quality Excellent
Location Quality Parameters Nst=46, Nph=49, Dmin=1.0 km, Rmss=0.05 sec, Erho=0.15 km, Erzz=0.26 km, Gp=49 degrees
Event ID# nc73546155
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)