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 11:34:03 AM (PDT) on Friday, August 1, 2025.
The magnitude 1.1 event occurred 5 km (3 miles) NE (54 degrees) of Bradbury, CA.
The hypocentral depth is -0.05 km (-0.00 miles).
| Magnitude | 1.1 - local magnitude (Ml) |
| Time | Friday, August 1, 2025 at 11:34:03 AM (PDT) Friday, August 1, 2025 at 18:34:03 (UTC) |
| Distance from |
Bradbury, CA - 5 km (3 miles) NE (54 degrees) Azusa, CA - 5 km (3 miles) NNW (337 degrees) Duarte, CA - 6 km (4 miles) NE (51 degrees) Monrovia, CA - 7 km (4 miles) ENE (67 degrees) Citrus, CA - 7 km (4 miles) NNW (333 degrees) |
| Coordinates | 34 deg. 10.4 min. N (34.173N), 117 deg. 55.7 min. W (117.928W) |
| Depth | -0.05 km (-0.00 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=25, Nph=31, Dmin=4.8 km, Rmss=0.21 sec, Erho=0.31 km, Erzz=0.56 km, Gp=70 degrees |
| Event ID# | ci41250784 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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