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 5:23:27 PM (PDT) on Tuesday, July 15, 2025.
The magnitude 1.5 event occurred 5 km (3 miles) ESE of The Geysers, CA.
The hypocentral depth is 1 km (0.50 miles).


Magnitude 1.5 - duration magnitude (Md)
Time Tuesday, July 15, 2025 at 5:23:27 PM (PDT)
Wednesday, July 16, 2025 at 0:23:27 (UTC)
Distance from The Geysers, CA - 5 km (3 miles) ESE (122 degrees)
Cobb, CA - 8 km (5 miles) S (170 degrees)
Middletown, CA - 8 km (5 miles) W (271 degrees)
Hidden Valley Lake, CA - 14 km (9 miles) WSW (245 degrees)
Lower Lake, CA - 19 km (12 miles) SSW (206 degrees)
Coordinates 38 deg. 45.2 min. N (38.754N), 122 deg. 42.4 min. W (122.707W)
Depth 0.82 km (0.50 miles)
Quality Excellent
Location Quality Parameters Nst=15, Nph=14, Dmin=1.8 km, Rmss=0.03 sec, Erho=0.26 km, Erzz=0.349999994 km, Gp=80 degrees
Event ID# nc75210542
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