Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:41:05 AM (PDT) on Thursday, July 20, 2023.
The magnitude 0.2 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).
|Magnitude||0.2 - duration magnitude (Md)|
|Time||Thursday, July 20, 2023 at 4:41:05 AM (PDT)
Thursday, July 20, 2023 at 11:41:05 (UTC)
The Geysers, CA - 6 km (4 miles) NW (306 degrees)|
Cobb, CA - 8 km (5 miles) W (259 degrees)
Cloverdale, CA - 18 km (11 miles) E (89 degrees)
Middletown, CA - 18 km (11 miles) WNW (290 degrees)
Kelseyville, CA - 19 km (12 miles) S (173 degrees)
|Coordinates||38 deg. 48.5 min. N (38.809N), 122 deg. 48.7 min. W (122.812W)|
|Depth||3.57 km (2.2 miles)|
|Location Quality Parameters||Nst=21, Nph=25, Dmin=1.5 km, Rmss=0.03 sec, Erho=0.28 km, Erzz=0.48 km, Gp=55 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)