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 event has been reviewed by a seismologist.
A micro earthquake occurred at 12:21:09 PM (PDT) on Monday, August 17, 2026.
The magnitude 0.7 event occurred 8 km (5 miles) ESE of Palomar Observatory, CA.
The hypocentral depth is 17 km (11 miles).
| Magnitude | 0.7 - local magnitude (Ml) |
| Time | Monday, August 17, 2026 at 12:21:09 PM (PDT) Monday, August 17, 2026 at 19:21:09 (UTC) |
| Distance from |
Palomar Observatory, CA - 8 km (5 miles) ESE (110 degrees) Lake Henshaw, CA - 10 km (6 miles) N (349 degrees) Aguanga, CA - 15 km (9 miles) SSE (149 degrees) Warner Springs, CA - 15 km (9 miles) WNW (291 degrees) Valley Center, CA - 26 km (16 miles) ENE (62 degrees) |
| Coordinates | 33 deg. 19.9 min. N (33.331N), 116 deg. 47.0 min. W (116.784W) |
| Depth | 17.12 km (10.60 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=28, Nph=45, Dmin=7.7 km, Rmss=0.15 sec, Erho=0.25 km, Erzz=0.48 km, Gp=39 degrees |
| Event ID# | ci40674642 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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