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 2:14:20 PM (PDT) on Wednesday, July 19, 2023.
The magnitude 0.4 event occurred 13 km (8 miles) S of Ridgemark, CA.
The hypocentral depth is 7 km ( 4 miles).
|Magnitude||0.4 - duration magnitude (Md)|
|Time||Wednesday, July 19, 2023 at 2:14:20 PM (PDT)
Wednesday, July 19, 2023 at 21:14:20 (UTC)
Ridgemark, CA - 13 km (8 miles) S (169 degrees)|
Hollister, CA - 18 km (11 miles) SSE (162 degrees)
Chualar, CA - 21 km (13 miles) NE (49 degrees)
Gonzales, CA - 23 km (14 miles) NNE (24 degrees)
San Juan Bautista, CA - 24 km (15 miles) SE (133 degrees)
|Coordinates||36 deg. 41.8 min. N (36.697N), 121 deg. 20.3 min. W (121.338W)|
|Depth||6.67 km (4.1 miles)|
|Location Quality Parameters||Nst=4, Nph=7, Dmin=1.4 km, Rmss=0.02 sec, Erho=0.55 km, Erzz=1.04 km, Gp=199 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)