Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #3: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 3:50:38 PM (PDT) on Monday, July 17, 2023.
The magnitude 1.0 event occurred 13 km (8 miles) NNW of Healdsburg, CA.
The hypocentral depth is 7 km ( 4 miles).
|Magnitude||1.0 - duration magnitude (Md)|
|Time||Monday, July 17, 2023 at 3:50:38 PM (PDT)
Monday, July 17, 2023 at 22:50:38 (UTC)
Healdsburg, CA - 13 km (8 miles) NNW (343 degrees)|
Cloverdale, CA - 13 km (8 miles) SE (135 degrees)
The Geysers, CA - 15 km (9 miles) WSW (247 degrees)
Cobb, CA - 20 km (12 miles) WSW (237 degrees)
Windsor, CA - 22 km (13 miles) NNW (337 degrees)
|Coordinates||38 deg. 43.5 min. N (38.726N), 122 deg. 54.9 min. W (122.915W)|
|Depth||7.09 km (4.4 miles)|
|Location Quality Parameters||Nst=44, Nph=55, Dmin=7.7 km, Rmss=0.06 sec, Erho=0.2 km, Erzz=0.48 km, Gp=94 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)