Recent Earthquakes in California and Nevada


== PRELIMINARY EARTHQUAKE REPORT ==

U.S. Geological Survey, Menlo Park, California
U.C. Berkeley Seismological Laboratory, Berkeley, California


Version #2: This report supersedes any earlier reports of this event. This event has been reviewed by a seismologist.

A micro earthquake occurred at 8:49:50 PM (PDT) on Monday, April 20, 2026.
The magnitude 1.0 event occurred 8 km (5 miles) ENE (65 degrees) of Gilroy, CA.
The hypocentral depth is 9 km ( 6 miles).


Magnitude 1.0 - duration magnitude (Md)
Time Monday, April 20, 2026 at 8:49:50 PM (PDT)
Tuesday, April 21, 2026 at 3:49:50 (UTC)
Distance from Gilroy, CA - 8 km (5 miles) ENE (65 degrees)
San Martin, CA - 12 km (8 miles) ESE (116 degrees)
Morgan Hill, CA - 18 km (11 miles) SE (125 degrees)
Aromas, CA - 21 km (13 miles) NE (40 degrees)
San Juan Bautista, CA - 22 km (13 miles) NNE (12 degrees)
Coordinates 37 deg. 2.2 min. N (37.036N), 121 deg. 29.3 min. W (121.488W)
Depth 9.17 km (5.70 miles)
Quality Good
Location Quality Parameters Nst=22, Nph=26, Dmin=1.2 km, Rmss=0.09 sec, Erho=0.34 km, Erzz=0.61 km, Gp=97 degrees
Event ID# nc75348917
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For more information, see https://earthquake.usgs.gov

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