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 4:56:42 AM (PST) on Friday, February 20, 2026.
The magnitude 1.1 event occurred 18 km (11 miles) ESE of Mammoth Lakes, CA.
The hypocentral depth is 7 km ( 4 miles).


Magnitude 1.1 - duration magnitude (Md)
Time Friday, February 20, 2026 at 4:56:42 AM (PST)
Friday, February 20, 2026 at 12:56:42 (UTC)
Distance from Mammoth Lakes, CA - 18 km (11 miles) ESE (118 degrees)
West Bishop, CA - 37 km (23 miles) NW (306 degrees)
Dixon Lane-Meadow Creek, CA - 39 km (24 miles) WNW (300 degrees)
Bishop, CA - 41 km (26 miles) WNW (302 degrees)
Big Pine, CA - 62 km (39 miles) NW (315 degrees)
Coordinates 37 deg. 33.5 min. N (37.558N), 118 deg. 47.6 min. W (118.794W)
Depth 6.75 km (4.20 miles)
Quality Good
Location Quality Parameters Nst=12, Nph=12, Dmin=4.7 km, Rmss=0.04 sec, Erho=0.38 km, Erzz=1.07000005 km, Gp=135 degrees
Event ID# nc75316307
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For more information, see https://earthquake.usgs.gov

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