California earthquakes

M2.0 earthquake 12 km NE of Trinity Village, California

A magnitude 2.0 earthquake struck 12 km NE of Trinity Village, California on Tue, Jan 22, 1985, 8:15 AM PST (16:15 UTC), 20 km (12 mi) below the surface.

A larger quake followed: M2.0 near the coast of Northern 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: 2.0 (md), micro
Local time: Tue, Jan 22, 1985, 8:15 AM PST
UTC: 1985-01-22 16:15:06 UTC
Depth: 19.7 km (12.2 mi), shallow
Epicenter: 40.955° N, 123.419° W
Region: California
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 0.7 km horizontally, 1.3 km in depth
Magnitude uncertainty: ±0.05
Depth from: From location
Station coverage gap: 122°
Stations used: 6

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 23 in the 60 days after this one and 18 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc41504. Read Tue, Sep 22, 2026, 10:19 AM UTC.