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 10:01:04 PM (PDT) on Monday, July 17, 2023.
The magnitude 1.1 event occurred 2 km (2 miles) E (91 degrees) of The Geysers, CA.
The hypocentral depth is 1 km ( 1 mile).
|Magnitude||1.1 - duration magnitude (Md)|
|Time||Monday, July 17, 2023 at 10:01:04 PM (PDT)
Tuesday, July 18, 2023 at 5:01:04 (UTC)
The Geysers, CA - 2 km (2 miles) E (91 degrees)|
Cobb, CA - 5 km (3 miles) S (185 degrees)
Middletown, CA - 10 km (6 miles) WNW (286 degrees)
Hidden Valley Lake, CA - 15 km (9 miles) WSW (257 degrees)
Lower Lake, CA - 18 km (11 miles) SW (215 degrees)
|Coordinates||38 deg. 46.6 min. N (38.777N), 122 deg. 43.7 min. W (122.728W)|
|Depth||1.3 km (0.8 miles)|
|Location Quality Parameters||Nst=30, Nph=34, Dmin=1.0 km, Rmss=0.06 sec, Erho=0.15 km, Erzz=0.2 km, Gp=57 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)