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 #4: This report supersedes any earlier reports of this event. This is a computer-generated message. This event has not yet been reviewed by a seismologist.
A micro earthquake occurred at 4:54:14 PM (PDT) on Friday, September 12, 2025.
The magnitude 1.1 event occurred 2 km (1 miles) SW of Placentia, CA.
The hypocentral depth is 4 km ( 2 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Friday, September 12, 2025 at 4:54:14 PM (PDT) Friday, September 12, 2025 at 23:54:14 (UTC) |
| Distance from |
Placentia, CA - 2 km (1 miles) SW (233 degrees) Anaheim, CA - 3 km (2 miles) N (2 degrees) Fullerton, CA - 4 km (3 miles) ESE (120 degrees) Brea, CA - 6 km (4 miles) S (170 degrees) Orange, CA - 8 km (5 miles) NW (321 degrees) |
| Coordinates | 33 deg. 51.6 min. N (33.861N), 117 deg. 53.3 min. W (117.889W) |
| Depth | 3.66 km (2.30 miles) |
| Quality | Fair |
| Location Quality Parameters | Nst=15, Nph=15, Dmin=9.0 km, Rmss=0.13 sec, Erho=1.65 km, Erzz=1.08 km, Gp=195 degrees |
| Event ID# | ci41290296 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
[
Index map ||
Big earthquake list ||
All earthquake list ||
Glossary of terms ||
Top page
]
[
Did you feel it? ||
ShakeMaps
|| Relative2Me
]
[ Data Sources ]
Special maps
Long Valley || Los Angeles || San Francisco
Data Sources
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)
