California earthquakes

M1.9 earthquake 2 km NE of San Ardo, California

A magnitude 1.9 earthquake struck 2 km NE of San Ardo, California on Sun, Nov 24, 1985, 9:38 PM PST (05:38 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M4.8 22 km NE of Soledad, California. This one was a foreshock.

San Ardo forecastMore in California

Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.9 (md), micro
Local time
UTC
1985-11-25 05:38:33 UTC
Depth
11.4 km (7.1 mi), shallow
Epicenter
36.034° N, 120.880° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
34°
Stations used
39

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 194 in the 60 days after this one and 114 in the 30 days before it.

After

The first 60 of 194.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc59821 (also filed as ci132458). Read Tue, Sep 29, 2026, 8:48 PM UTC.