Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #4: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:46:34 AM (PDT) on Saturday, July 15, 2023.
The magnitude 0.9 event occurred 1 km (1 miles) NNW of Middletown, CA.
The hypocentral depth is 6 km ( 4 miles).
|Magnitude||0.9 - duration magnitude (Md)|
|Time||Saturday, July 15, 2023 at 7:46:34 AM (PDT)
Saturday, July 15, 2023 at 14:46:34 (UTC)
Middletown, CA - 1 km (1 miles) NNW (337 degrees)|
Hidden Valley Lake, CA - 7 km (5 miles) SW (225 degrees)
Cobb, CA - 11 km (7 miles) SE (127 degrees)
The Geysers, CA - 12 km (7 miles) E (99 degrees)
Lower Lake, CA - 17 km (10 miles) S (183 degrees)
|Coordinates||38 deg. 45.6 min. N (38.761N), 122 deg. 37.2 min. W (122.620W)|
|Depth||5.95 km (3.7 miles)|
|Location Quality Parameters||Nst=38, Nph=43, Dmin=5.3 km, Rmss=0.06 sec, Erho=0.16 km, Erzz=0.37 km, Gp=82 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)