Recent Earthquakes in California and Nevada
== PRELIMINARY EARTHQUAKE REPORT ==
U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California
Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 7:22:48 PM (PST) on Thursday, February 13, 2025.
The magnitude 2.2 event occurred 7 km (4 miles) NE (41 degrees) of Alamo, CA.
The hypocentral depth is 10 km ( 6 miles).
| Magnitude | 2.2 - duration magnitude (Md) |
| Time | Thursday, February 13, 2025 at 7:22:48 PM (PST) Friday, February 14, 2025 at 3:22:48 (UTC) |
| Distance from |
Alamo, CA - 7 km (4 miles) NE (41 degrees) Diablo, CA - 7 km (4 miles) NNW (342 degrees) Clayton, CA - 7 km (4 miles) SW (219 degrees) Walnut Creek, CA - 7 km (5 miles) E (100 degrees) Waldon, CA - 7 km (5 miles) ESE (119 degrees) |
| Coordinates | 37 deg. 53.7 min. N (37.894N), 121 deg. 59.0 min. W (121.983W) |
| Depth | 10.12 km (6.30 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=82, Nph=100, Dmin=4.0 km, Rmss=0.14 sec, Erho=0.14 km, Erzz=0.22 km, Gp=52 degrees |
| Event ID# | nc75133147 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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