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 4:09:41 PM (PDT) on Thursday, July 20, 2023.
The magnitude 1.1 event occurred 8 km (5 miles) WNW of Cobb, CA.
The hypocentral depth is 2 km ( 1 mile).
|Magnitude||1.1 - duration magnitude (Md)|
|Time||Thursday, July 20, 2023 at 4:09:41 PM (PDT)
Thursday, July 20, 2023 at 23:09:41 (UTC)
Cobb, CA - 8 km (5 miles) WNW (288 degrees)|
The Geysers, CA - 9 km (6 miles) NW (326 degrees)
Kelseyville, CA - 15 km (9 miles) S (172 degrees)
Soda Bay, CA - 17 km (11 miles) S (188 degrees)
Cloverdale, CA - 18 km (11 miles) ENE (75 degrees)
|Coordinates||38 deg. 50.8 min. N (38.846N), 122 deg. 48.9 min. W (122.816W)|
|Depth||1.7 km (1.1 miles)|
|Location Quality Parameters||Nst=41, Nph=50, Dmin=1.2 km, Rmss=0.04 sec, Erho=0.12 km, Erzz=0.18 km, Gp=44 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)