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 4:06:35 AM (PDT) on Friday, August 21, 2026.
The magnitude 1.7 event occurred 9 km (5 miles) SSE of San Juan Bautista, CA.
The hypocentral depth is 4 km ( 2 miles).


Magnitude 1.7 - duration magnitude (Md)
Time Friday, August 21, 2026 at 4:06:35 AM (PDT)
Friday, August 21, 2026 at 11:06:35 (UTC)
Distance from San Juan Bautista, CA - 9 km (5 miles) SSE (154 degrees)
Hollister, CA - 12 km (7 miles) SW (227 degrees)
Ridgemark, CA - 12 km (8 miles) WSW (250 degrees)
Prunedale, CA - 16 km (10 miles) E (90 degrees)
Salinas, CA - 17 km (10 miles) NE (52 degrees)
Coordinates 36 deg. 46.5 min. N (36.775N), 121 deg. 29.7 min. W (121.495W)
Depth 3.96 km (2.50 miles)
Quality Good
Location Quality Parameters Nst=23, Nph=23, Dmin=4.0 km, Rmss=0.16 sec, Erho=0.37 km, Erzz=0.560000002 km, Gp=59 degrees
Event ID# nc75422327
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For more information, see https://earthquake.usgs.gov

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