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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 4:17:40 AM (PDT) on Monday, July 17, 2023.
The magnitude 1.3 event occurred 5 km (3 miles) SSE of Chino Hills, CA.
The hypocentral depth is 12 km ( 7 miles).
|Magnitude||1.3 - local magnitude (Ml)|
|Time||Monday, July 17, 2023 at 4:17:40 AM (PDT)
Monday, July 17, 2023 at 11:17:40 (UTC)
Chino Hills, CA - 5 km (3 miles) SSE (160 degrees)|
Chino, CA - 9 km (5 miles) SSW (212 degrees)
Yorba Linda, CA - 10 km (6 miles) NE (46 degrees)
Diamond Bar, CA - 11 km (7 miles) SE (144 degrees)
Pomona, CA - 13 km (8 miles) S (173 degrees)
|Coordinates||33 deg. 56.8 min. N (33.947N), 117 deg. 44.3 min. W (117.739W)|
|Depth||11.82 km (7.3 miles)|
|Location Quality Parameters||Nst=49, Nph=75, Dmin=6.4 km, Rmss=0.19 sec, Erho=0.24 km, Erzz=0.36 km, Gp=51 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)