Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 3:40:40 AM (PDT) on Saturday, September 11, 2021.
The magnitude 1.0 event occurred 1 km (1 miles) ENE (74 degrees) of The Geysers, CA.
The hypocentral depth is 0.33 km (0.2 miles).
|Magnitude||1.0 - duration magnitude (Md)|
|Time||Saturday, September 11, 2021 at 3:40:40 AM (PDT)
Saturday, September 11, 2021 at 10:40:40 (UTC)
The Geysers, CA - 1 km (1 miles) ENE (74 degrees)|
Cobb, CA - 5 km (3 miles) SSW (202 degrees)
Middletown, CA - 12 km (7 miles) WNW (285 degrees)
Hidden Valley Lake, CA - 17 km (10 miles) W (259 degrees)
Lower Lake, CA - 19 km (12 miles) SW (219 degrees)
|Coordinates||38 deg. 46.8 min. N (38.780N), 122 deg. 44.7 min. W (122.745W)|
|Depth||0.33 km (0.2 miles)|
|Location Quality Parameters||Nst=14, Nph=14, Dmin=0.8 km, Rmss=0.05 sec, Erho=0.22 km, Erzz=0.53 km, Gp=74 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)