California earthquakes

M3.0 earthquake 6 km NNE of Interlaken, California

A magnitude 3.0 earthquake struck 6 km NNE of Interlaken, California on Fri, Dec 13, 1985, 10:37 AM PST (18:37 UTC), 11 km (7 mi) below the surface.

A larger quake followed: M3.4 4 km ENE of Tres Pinos, California. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
3.0 (md), micro
Local time
UTC
1985-12-13 18:37:43 UTC
Depth
11.2 km (7.0 mi), shallow
Epicenter
37.012° N, 121.714° 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 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.12
Depth from
From location
Station coverage gap
49°
Stations used
87

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 190 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 190.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc61578 (also filed as usp0002nu3). Read Tue, Sep 22, 2026, 8:25 PM UTC.