Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
Southern California Seismic Network: a cooperative project of
U.S. Geological Survey, Pasadena California
Caltech Seismological Laboratory, Pasadena, California
Version #5: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 10:06:03 PM (PDT) on Tuesday, July 18, 2023.
The magnitude 0.9 event occurred 6 km (4 miles) ENE (65 degrees) of Brea, CA.
The hypocentral depth is 8 km ( 5 miles).
|Magnitude||0.9 - local magnitude (Ml)|
|Time||Tuesday, July 18, 2023 at 10:06:03 PM (PDT)
Wednesday, July 19, 2023 at 5:06:03 (UTC)
Brea, CA - 6 km (4 miles) ENE (65 degrees)|
Yorba Linda, CA - 6 km (4 miles) NNW (339 degrees)
Rowland Heights, CA - 7 km (5 miles) ESE (122 degrees)
Placentia, CA - 8 km (5 miles) NNE (22 degrees)
Walnut, CA - 9 km (6 miles) SSE (163 degrees)
|Coordinates||33 deg. 56.5 min. N (33.941N), 117 deg. 50.2 min. W (117.837W)|
|Depth||7.98 km (5.0 miles)|
|Location Quality Parameters||Nst=18, Nph=31, Dmin=3.4 km, Rmss=0.15 sec, Erho=0.29 km, Erzz=0.57 km, Gp=114 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)