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 11:21:45 AM (PDT) on Monday, July 17, 2023.
The magnitude 1.1 event occurred 6 km (4 miles) NW of The Geysers, CA.
The hypocentral depth is 3 km ( 2 miles).
|Magnitude||1.1 - duration magnitude (Md)|
|Time||Monday, July 17, 2023 at 11:21:45 AM (PDT)
Monday, July 17, 2023 at 18:21:45 (UTC)
The Geysers, CA - 6 km (4 miles) NW (309 degrees)|
Cobb, CA - 8 km (5 miles) W (263 degrees)
Cloverdale, CA - 18 km (11 miles) E (87 degrees)
Kelseyville, CA - 18 km (11 miles) S (173 degrees)
Middletown, CA - 19 km (12 miles) WNW (292 degrees)
|Coordinates||38 deg. 48.8 min. N (38.814N), 122 deg. 48.8 min. W (122.814W)|
|Depth||2.95 km (1.8 miles)|
|Location Quality Parameters||Nst=15, Nph=15, Dmin=1.1 km, Rmss=0.02 sec, Erho=0.34 km, Erzz=0.69 km, Gp=78 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)