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 9:09:05 PM (PDT) on Sunday, June 28, 2026.
The magnitude 1.9 event occurred 23 km (15 miles) ENE (75 degrees) of Ridgemark, CA.
The hypocentral depth is 1 km (0.50 miles).


Magnitude 1.9 - duration magnitude (Md)
Time Sunday, June 28, 2026 at 9:09:05 PM (PDT)
Monday, June 29, 2026 at 4:09:05 (UTC)
Distance from Ridgemark, CA - 23 km (15 miles) ENE (75 degrees)
Hollister, CA - 26 km (16 miles) E (85 degrees)
Los Banos, CA - 32 km (20 miles) SW (228 degrees)
San Juan Bautista, CA - 38 km (24 miles) E (86 degrees)
South Dos Palos, CA - 42 km (26 miles) WSW (255 degrees)
Coordinates 36 deg. 52.1 min. N (36.868N), 121 deg. 6.7 min. W (121.112W)
Depth 0.85 km (0.50 miles)
Quality Good
Location Quality Parameters Nst=21, Nph=21, Dmin=6.4 km, Rmss=0.11 sec, Erho=0.38 km, Erzz=1.79999995 km, Gp=167 degrees
Event ID# nc75386176
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