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 1:55:24 AM (PDT) on Thursday, July 20, 2023.
The magnitude 0.8 event occurred 6 km (4 miles) NNW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
|Magnitude||0.8 - duration magnitude (Md)|
|Time||Thursday, July 20, 2023 at 1:55:24 AM (PDT)
Thursday, July 20, 2023 at 8:55:24 (UTC)
The Geysers, CA - 6 km (4 miles) NNW (327 degrees)|
Cobb, CA - 6 km (4 miles) W (273 degrees)
Kelseyville, CA - 17 km (11 miles) SSE (168 degrees)
Middletown, CA - 18 km (11 miles) WNW (297 degrees)
Cloverdale, CA - 19 km (12 miles) E (83 degrees)
|Coordinates||38 deg. 49.5 min. N (38.825N), 122 deg. 47.8 min. W (122.796W)|
|Depth||2.8 km (1.7 miles)|
|Location Quality Parameters||Nst=14, Nph=14, Dmin=1.2 km, Rmss=0.01 sec, Erho=0.36 km, Erzz=0.56 km, Gp=53 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)