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 8:57:11 AM (PDT) on Thursday, September 18, 2025.
The magnitude 1.9 event occurred 7 km (4 miles) SW of Atascadero, CA.
The hypocentral depth is 7 km ( 4 miles).
| Magnitude | 1.9 - duration magnitude (Md) |
| Time | Thursday, September 18, 2025 at 8:57:11 AM (PDT) Thursday, September 18, 2025 at 15:57:11 (UTC) |
| Distance from |
Atascadero, CA - 7 km (4 miles) SW (219 degrees) Santa Margarita, CA - 12 km (7 miles) WNW (299 degrees) Templeton, CA - 12 km (8 miles) S (186 degrees) Morro Bay, CA - 14 km (9 miles) NE (55 degrees) Cayucos, CA - 16 km (10 miles) E (91 degrees) |
| Coordinates | 35 deg. 26.4 min. N (35.439N), 120 deg. 43.2 min. W (120.721W) |
| Depth | 7.30 km (4.50 miles) |
| Quality | Excellent |
| Location Quality Parameters | Nst=26, Nph=25, Dmin=5.3 km, Rmss=0.04 sec, Erho=0.23 km, Erzz=0.699999988 km, Gp=55 degrees |
| Event ID# | nc75239192 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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