California earthquakes

M2.5 earthquake 10 km NW of Fields Landing, California

A magnitude 2.5 earthquake struck 10 km NW of Fields Landing, California on Tue, Jun 25, 1985, 6:03 PM PDT (01:03 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M2.9 2 km N of Burnt Ranch, California. This one was a foreshock.

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

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The earthquake

Magnitude: 2.5 (md), micro
Local time: Tue, Jun 25, 1985, 6:03 PM PDT
UTC: 1985-06-26 01:03:55 UTC
Depth: 26.1 km (16.2 mi), shallow
Epicenter: 40.781° N, 124.314° 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 1.0 km horizontally, 2.6 km in depth
Magnitude uncertainty: ±0.11
Depth from: From location
Station coverage gap: 213°, poorly surrounded by stations
Stations used: 7

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 49 in the 60 days after this one and 17 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc50846. Read Tue, Sep 22, 2026, 8:10 PM UTC.