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 0:12:18 AM (PDT) on Tuesday, July 18, 2023.
The magnitude 1.1 event occurred 4 km (2 miles) E (98 degrees) of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
|Magnitude||1.1 - duration magnitude (Md)|
|Time||Tuesday, July 18, 2023 at 0:12:18 AM (PDT)
Tuesday, July 18, 2023 at 7:12:18 (UTC)
The Geysers, CA - 4 km (2 miles) E (98 degrees)|
Cobb, CA - 6 km (3 miles) S (170 degrees)
Middletown, CA - 9 km (5 miles) WNW (285 degrees)
Hidden Valley Lake, CA - 14 km (9 miles) WSW (254 degrees)
Lower Lake, CA - 18 km (11 miles) SSW (210 degrees)
|Coordinates||38 deg. 46.4 min. N (38.773N), 122 deg. 42.7 min. W (122.712W)|
|Depth||1.78 km (1.1 miles)|
|Location Quality Parameters||Nst=31, Nph=34, Dmin=0.9 km, Rmss=0.05 sec, Erho=0.19 km, Erzz=0.19 km, Gp=37 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)