Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

Seismological Laboratory, University of Nevada, Reno


Version #822287: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 2:00:46 AM (PDT) on Tuesday, September 14, 2021.
The magnitude 1.1 event occurred 5 km (3 miles) ESE of Chester, CA.
The hypocentral depth is 3 km ( 2 miles).


Magnitude 1.1 - local magnitude (Ml)
Time Tuesday, September 14, 2021 at 2:00:46 AM (PDT)
Tuesday, September 14, 2021 at 9:00:46 (UTC)
Distance from Chester, CA - 5 km (3 miles) ESE (117 degrees)
Greenville, CA - 26 km (16 miles) NW (310 degrees)
Quincy, CA - 44 km (27 miles) NNW (333 degrees)
East Quincy, CA - 46 km (29 miles) NNW (328 degrees)
Susanville, CA - 48 km (30 miles) WSW (253 degrees)
Coordinates 40 deg. 17.2 min. N (40.287N), 121 deg. 10.9 min. W (121.182W)
Depth 3.3 km (2.1 miles)
Quality Poor
Location Quality Parameters Nst=4, Nph=7, Dmin=32.9 km, Rmss=0.1912 sec, Erho=0 km, Erzz=9.0 km, Gp=226.14 degrees
Event ID# nn00822287
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)