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 5:29:29 AM (PDT) on Wednesday, August 27, 2025.
The magnitude 1.5 event occurred 2 km (1 miles) ESE of Pacheco, CA.
The hypocentral depth is 13 km ( 8 miles).
| Magnitude | 1.5 - duration magnitude (Md) |
| Time | Wednesday, August 27, 2025 at 5:29:29 AM (PDT) Wednesday, August 27, 2025 at 12:29:29 (UTC) |
| Distance from |
Pacheco, CA - 2 km (1 miles) ESE (106 degrees) Pleasant Hill, CA - 4 km (2 miles) N (6 degrees) Concord, CA - 4 km (2 miles) WNW (289 degrees) Vine Hill, CA - 5 km (3 miles) SE (133 degrees) Waldon, CA - 6 km (4 miles) N (359 degrees) |
| Coordinates | 37 deg. 58.8 min. N (37.979N), 122 deg. 3.4 min. W (122.057W) |
| Depth | 12.78 km (7.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=14, Nph=14, Dmin=10.8 km, Rmss=0.11 sec, Erho=0.67 km, Erzz=0.959999979 km, Gp=122 degrees |
| Event ID# | nc75229352 |
| 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)
