Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #7: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 1:03:07 AM (PDT) on Monday, April 5, 2021.
The magnitude 0.4 event occurred 30 km (18 miles) NW of Chester, CA.
The hypocentral depth is -2 km (-1 miles).
|Magnitude||0.4 - duration magnitude (Md)|
|Time||Monday, April 5, 2021 at 1:03:07 AM (PDT)
Monday, April 5, 2021 at 8:03:07 (UTC)
Chester, CA - 30 km (18 miles) NW (317 degrees)|
Shingletown, CA - 36 km (22 miles) E (88 degrees)
Burney, CA - 45 km (28 miles) SSE (159 degrees)
Greenville, CA - 60 km (37 miles) NW (313 degrees)
Palo Cedro, CA - 65 km (41 miles) E (96 degrees)
|Coordinates||40 deg. 30.1 min. N (40.502N), 121 deg. 28.1 min. W (121.469W)|
|Depth||-2.08 km (-1.3 miles)|
|Location Quality Parameters||Nst=4, Nph=5, Dmin=4.1 km, Rmss=0.11 sec, Erho=1.19 km, Erzz=2.17 km, Gp=267 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)