Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, 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 3:10:00 AM (PDT) on Monday, April 5, 2021.
The magnitude 1.9 event occurred 8 km (5 miles) SE of Chester, CA.
The hypocentral depth is 7 km ( 4 miles).
|Magnitude||1.9 - duration magnitude (Md)|
|Time||Monday, April 5, 2021 at 3:10:00 AM (PDT)
Monday, April 5, 2021 at 10:10:00 (UTC)
Chester, CA - 8 km (5 miles) SE (129 degrees)|
Greenville, CA - 22 km (14 miles) NW (307 degrees)
Quincy, CA - 40 km (25 miles) NNW (334 degrees)
East Quincy, CA - 42 km (26 miles) NNW (329 degrees)
Susanville, CA - 47 km (29 miles) WSW (248 degrees)
|Coordinates||40 deg. 15.5 min. N (40.259N), 121 deg. 9.3 min. W (121.155W)|
|Depth||6.68 km (4.2 miles)|
|Location Quality Parameters||Nst=15, Nph=16, Dmin=1.5 km, Rmss=0.05 sec, Erho=0.38 km, Erzz=0.42 km, Gp=107 degrees|
|Additional Information|| Map
For more information, see https://earthquake.usgs.gov
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)