Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #0: 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 1:53:21 PM (PDT) on Wednesday, October 15, 2025.
The magnitude 1.4 event occurred 4 km (2 miles) SE of Pacifica, CA.
The hypocentral depth is 9 km ( 5 miles).
| Magnitude | 1.4 - duration magnitude (Md) |
| Time | Wednesday, October 15, 2025 at 1:53:21 PM (PDT) Wednesday, October 15, 2025 at 20:53:21 (UTC) |
| Distance from |
Pacifica, CA - 4 km (2 miles) SE (136 degrees) San Bruno, CA - 6 km (4 miles) SW (224 degrees) Millbrae, CA - 6 km (4 miles) W (262 degrees) Montara, CA - 7 km (5 miles) NE (43 degrees) Hillsborough, CA - 7 km (5 miles) WNW (285 degrees) |
| Coordinates | 37 deg. 35.4 min. N (37.591N), 122 deg. 27.5 min. W (122.459W) |
| Depth | 8.75 km (5.40 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=12, Nph=12, Dmin=3.6 km, Rmss=0.02 sec, Erho=0.48 km, Erzz=0.819999993 km, Gp=84 degrees |
| Event ID# | nc75249796 |
| 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)
