Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 6:27:37 PM (PDT) on Thursday, September 9, 2021.
The magnitude 1.7 event occurred 4 km (2 miles) W of Central Valley (historical), CA.
The hypocentral depth is 19 km (12 miles).
|Magnitude||1.7 - duration magnitude (Md)|
|Time||Thursday, September 9, 2021 at 6:27:37 PM (PDT)
Friday, September 10, 2021 at 1:27:37 (UTC)
Central Valley (historical), CA - 4 km (2 miles) W (262 degrees)|
Shasta Lake, CA - 4 km (2 miles) W (262 degrees)
Shasta, CA - 11 km (7 miles) NE (38 degrees)
Redding, CA - 12 km (7 miles) NNW (342 degrees)
Bella Vista, CA - 16 km (10 miles) WNW (284 degrees)
|Coordinates||40 deg. 40.6 min. N (40.676N), 122 deg. 24.8 min. W (122.414W)|
|Depth||18.75 km (11.7 miles)|
|Location Quality Parameters||Nst=13, Nph=14, Dmin=9.5 km, Rmss=0.17 sec, Erho=0.78 km, Erzz=0.66 km, Gp=56 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)