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 9:51:38 PM (PDT) on Saturday, April 11, 2026.
The magnitude 1.8 event occurred 12 km (7 miles) SSE of Pleasanton, CA.
The hypocentral depth is 8 km ( 5 miles).


Magnitude 1.8 - duration magnitude (Md)
Time Saturday, April 11, 2026 at 9:51:38 PM (PDT)
Sunday, April 12, 2026 at 4:51:38 (UTC)
Distance from Pleasanton, CA - 12 km (7 miles) SSE (164 degrees)
Fremont, CA - 13 km (8 miles) E (81 degrees)
Livermore, CA - 15 km (9 miles) SSW (205 degrees)
Union City, CA - 16 km (10 miles) ESE (104 degrees)
Milpitas, CA - 16 km (10 miles) NNE (22 degrees)
Coordinates 37 deg. 33.7 min. N (37.561N), 121 deg. 50.3 min. W (121.838W)
Depth 8.34 km (5.20 miles)
Quality Excellent
Location Quality Parameters Nst=17, Nph=17, Dmin=5.3 km, Rmss=0.05 sec, Erho=0.23 km, Erzz=0.439999998 km, Gp=52 degrees
Event ID# nc75342867
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For more information, see https://earthquake.usgs.gov

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