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 0:16:30 AM (PST) on Saturday, February 15, 2025.
The magnitude 0.9 event occurred 6 km (4 miles) NE (44 degrees) of Alamo, CA.
The hypocentral depth is 9 km ( 6 miles).
| Magnitude | 0.9 - duration magnitude (Md) |
| Time | Saturday, February 15, 2025 at 0:16:30 AM (PST) Saturday, February 15, 2025 at 8:16:30 (UTC) |
| Distance from |
Alamo, CA - 6 km (4 miles) NE (44 degrees) Diablo, CA - 7 km (4 miles) NNW (342 degrees) Clayton, CA - 7 km (4 miles) SW (216 degrees) Saranap, CA - 8 km (5 miles) E (85 degrees) Walnut Creek, CA - 8 km (5 miles) ESE (103 degrees) |
| Coordinates | 37 deg. 53.5 min. N (37.891N), 121 deg. 58.9 min. W (121.981W) |
| Depth | 8.80 km (5.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=18, Nph=20, Dmin=3.7 km, Rmss=0.07 sec, Erho=0.28 km, Erzz=0.47 km, Gp=67 degrees |
| Event ID# | nc75133827 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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