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 6:31:18 AM (PDT) on Monday, July 17, 2023.
The magnitude 1.5 event occurred 6 km (4 miles) ESE of Ridgemark, CA.
The hypocentral depth is 9 km ( 6 miles).
|Magnitude||1.5 - duration magnitude (Md)|
|Time||Monday, July 17, 2023 at 6:31:18 AM (PDT)
Monday, July 17, 2023 at 13:31:18 (UTC)
Ridgemark, CA - 6 km (4 miles) ESE (120 degrees)|
Hollister, CA - 11 km (7 miles) SE (130 degrees)
San Juan Bautista, CA - 22 km (14 miles) ESE (108 degrees)
Chualar, CA - 30 km (19 miles) NE (38 degrees)
Prunedale, CA - 32 km (20 miles) E (88 degrees)
|Coordinates||36 deg. 47.1 min. N (36.785N), 121 deg. 18.3 min. W (121.306W)|
|Depth||9.48 km (5.9 miles)|
|Location Quality Parameters||Nst=30, Nph=37, Dmin=9.3 km, Rmss=0.1 sec, Erho=0.24 km, Erzz=0.36 km, Gp=97 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)