Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California


Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 12:44:59 PM (PDT) on Sunday, April 4, 2021.
The magnitude 0.8 event occurred 23 km (15 miles) N (4 degrees) of Ridgecrest, CA.
The hypocentral depth is 6 km ( 4 miles).


Magnitude 0.8 - local magnitude (Ml)
Time Sunday, April 4, 2021 at 12:44:59 PM (PDT)
Sunday, April 4, 2021 at 19:44:59 (UTC)
Distance from Ridgecrest, CA - 23 km (15 miles) N (4 degrees)
Searles Valley, CA - 24 km (15 miles) WNW (287 degrees)
Inyokern, CA - 25 km (15 miles) NE (34 degrees)
Little Lake, CA - 25 km (16 miles) ESE (118 degrees)
Trona, CA - 26 km (16 miles) WNW (287 degrees)
Coordinates 35 deg. 49.9 min. N (35.831N), 117 deg. 39.5 min. W (117.659W)
Depth 6.19 km (3.8 miles)
Quality Excellent
Location Quality Parameters Nst=20, Nph=38, Dmin=5.8 km, Rmss=0.11 sec, Erho=0.16 km, Erzz=0.41 km, Gp=61 degrees
Event ID# ci39838496
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)