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 #6: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.
A micro earthquake occurred at 5:20:09 PM (PDT) on Tuesday, August 18, 2026.
The magnitude 1.7 event occurred 4 km (2 miles) SW of Palomar Observatory, CA.
The hypocentral depth is 11 km ( 7 miles).
| Magnitude | 1.7 - local magnitude (Ml) |
| Time | Tuesday, August 18, 2026 at 5:20:09 PM (PDT) Wednesday, August 19, 2026 at 0:20:09 (UTC) |
| Distance from |
Palomar Observatory, CA - 4 km (2 miles) SW (215 degrees) Aguanga, CA - 13 km (8 miles) S (190 degrees) Lake Henshaw, CA - 15 km (9 miles) NW (309 degrees) Pala, CA - 18 km (11 miles) ESE (104 degrees) Valley Center, CA - 18 km (11 miles) NE (48 degrees) |
| Coordinates | 33 deg. 19.6 min. N (33.327N), 116 deg. 53.3 min. W (116.889W) |
| Depth | 11.06 km (6.90 miles) |
| Quality | Good |
| Location Quality Parameters | Nst=72, Nph=124, Dmin=3.9 km, Rmss=0.17 sec, Erho=0.13 km, Erzz=0.26 km, Gp=23 degrees |
| Event ID# | ci41529744 |
| Additional Information | Map |
For more information, see https://earthquake.usgs.gov
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