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 3:34:30 AM (PDT) on Monday, July 17, 2023.
The magnitude 1.2 event occurred 7 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 2 km ( 1 mile).
|Magnitude||1.2 - duration magnitude (Md)|
|Time||Monday, July 17, 2023 at 3:34:30 AM (PDT)
Monday, July 17, 2023 at 10:34:30 (UTC)
The Geysers, CA - 7 km (4 miles) NW (307 degrees)|
Cobb, CA - 9 km (5 miles) W (265 degrees)
Cloverdale, CA - 17 km (11 miles) E (86 degrees)
Kelseyville, CA - 18 km (11 miles) S (175 degrees)
Middletown, CA - 19 km (12 miles) WNW (291 degrees)
|Coordinates||38 deg. 48.9 min. N (38.815N), 122 deg. 49.3 min. W (122.821W)|
|Depth||2.27 km (1.4 miles)|
|Location Quality Parameters||Nst=33, Nph=35, Dmin=1.0 km, Rmss=0.05 sec, Erho=0.17 km, Erzz=0.28 km, Gp=46 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)