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 11:34:54 PM (PDT) on Tuesday, July 18, 2023.
The magnitude 0.4 event occurred 8 km (5 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
|Magnitude||0.4 - duration magnitude (Md)|
|Time||Tuesday, July 18, 2023 at 11:34:54 PM (PDT)
Wednesday, July 19, 2023 at 6:34:54 (UTC)
The Geysers, CA - 8 km (5 miles) NW (321 degrees)|
Cobb, CA - 8 km (5 miles) W (278 degrees)
Kelseyville, CA - 16 km (10 miles) S (172 degrees)
Cloverdale, CA - 18 km (11 miles) E (80 degrees)
Soda Bay, CA - 19 km (12 miles) S (187 degrees)
|Coordinates||38 deg. 50.0 min. N (38.833N), 122 deg. 48.9 min. W (122.814W)|
|Depth||1.78 km (1.1 miles)|
|Location Quality Parameters||Nst=24, Nph=28, Dmin=1.1 km, Rmss=0.03 sec, Erho=0.17 km, Erzz=0.39 km, Gp=52 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)