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 12:38:47 PM (PDT) on Thursday, July 17, 2025.
The magnitude 0.7 event occurred 3 km (2 miles) ESE of Lake Henshaw, CA.
The hypocentral depth is 11 km ( 7 miles).


Magnitude 0.7 - local magnitude (Ml)
Time Thursday, July 17, 2025 at 12:38:47 PM (PDT)
Thursday, July 17, 2025 at 19:38:47 (UTC)
Distance from Lake Henshaw, CA - 3 km (2 miles) ESE (110 degrees)
Warner Springs, CA - 11 km (7 miles) WSW (239 degrees)
Palomar Observatory, CA - 18 km (11 miles) SE (138 degrees)
Julian, CA - 21 km (13 miles) NW (325 degrees)
Ramona, CA - 25 km (15 miles) NNE (31 degrees)
Coordinates 33 deg. 13.9 min. N (33.232N), 116 deg. 43.9 min. W (116.732W)
Depth 11.11 km (6.90 miles)
Quality Excellent
Location Quality Parameters Nst=18, Nph=26, Dmin=8.7 km, Rmss=0.12 sec, Erho=0.27 km, Erzz=0.63 km, Gp=61 degrees
Event ID# ci41025119
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