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 4:26:30 PM (PDT) on Thursday, July 20, 2023.
The magnitude 0.5 event occurred 2 km (1 miles) NW of The Geysers, CA.
The hypocentral depth is 4 km ( 2 miles).
|Magnitude||0.5 - duration magnitude (Md)|
|Time||Thursday, July 20, 2023 at 4:26:30 PM (PDT)
Thursday, July 20, 2023 at 23:26:30 (UTC)
The Geysers, CA - 2 km (1 miles) NW (304 degrees)|
Cobb, CA - 6 km (4 miles) SW (225 degrees)
Middletown, CA - 14 km (9 miles) WNW (285 degrees)
Hidden Valley Lake, CA - 19 km (12 miles) W (262 degrees)
Lower Lake, CA - 20 km (12 miles) SW (225 degrees)
|Coordinates||38 deg. 47.1 min. N (38.785N), 122 deg. 46.3 min. W (122.771W)|
|Depth||4.08 km (2.5 miles)|
|Location Quality Parameters||Nst=10, Nph=10, Dmin=1.6 km, Rmss=0.01 sec, Erho=0.6 km, Erzz=1.39 km, Gp=114 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)