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 11:39:55 PM (PDT) on Wednesday, July 19, 2023.
The magnitude 0.5 event occurred 0 km (0 miles) SW of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
|Magnitude||0.5 - duration magnitude (Md)|
|Time||Wednesday, July 19, 2023 at 11:39:55 PM (PDT)
Thursday, July 20, 2023 at 6:39:55 (UTC)
The Geysers, CA - 0 km (0 miles) SW (232 degrees)|
Cobb, CA - 6 km (4 miles) SSW (211 degrees)
Middletown, CA - 13 km (8 miles) WNW (282 degrees)
Hidden Valley Lake, CA - 18 km (11 miles) W (259 degrees)
Lower Lake, CA - 20 km (12 miles) SW (221 degrees)
|Coordinates||38 deg. 46.6 min. N (38.776N), 122 deg. 45.5 min. W (122.758W)|
|Depth||1.39 km (0.9 miles)|
|Location Quality Parameters||Nst=4, Nph=6, Dmin=0.9 km, Rmss=0.01 sec, Erho=0.7 km, Erzz=0.8 km, Gp=138 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)