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 5:20:15 AM (PDT) on Tuesday, July 18, 2023.
The magnitude 0.9 event occurred 1 km (1 miles) NNE (33 degrees) of The Geysers, CA.
The hypocentral depth is 1 km (0.3 miles).
|Magnitude||0.9 - duration magnitude (Md)|
|Time||Tuesday, July 18, 2023 at 5:20:15 AM (PDT)
Tuesday, July 18, 2023 at 12:20:15 (UTC)
The Geysers, CA - 1 km (1 miles) NNE (33 degrees)|
Cobb, CA - 5 km (3 miles) SSW (209 degrees)
Middletown, CA - 12 km (8 miles) WNW (288 degrees)
Hidden Valley Lake, CA - 17 km (10 miles) W (262 degrees)
Lower Lake, CA - 18 km (11 miles) SW (221 degrees)
|Coordinates||38 deg. 47.2 min. N (38.786N), 122 deg. 44.9 min. W (122.749W)|
|Depth||0.56 km (0.3 miles)|
|Location Quality Parameters||Nst=24, Nph=25, Dmin=1.1 km, Rmss=0.04 sec, Erho=0.14 km, Erzz=0.41 km, Gp=73 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)