California earthquakes

M2.4 earthquake 12 km NE of Phillipsville, California

A magnitude 2.4 earthquake struck 12 km NE of Phillipsville, California on Thu, Jun 26, 1986, 5:50 AM PDT (12:50 UTC), 22 km (14 mi) below the surface.

A larger quake followed: M2.9 32 km SW of Ferndale, 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: 2.4 (md), micro
Local time: Thu, Jun 26, 1986, 5:50 AM PDT
UTC: 1986-06-26 12:50:32 UTC
Depth: 22.2 km (13.8 mi), shallow
Epicenter: 40.295° N, 123.696° 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 0.4 km horizontally, 1.3 km in depth
Magnitude uncertainty: ±0.16
Depth from: From location
Station coverage gap: 83°
Stations used: 15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 37 in the 60 days after this one and 21 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc10086273. Read Wed, Sep 23, 2026, 2:40 AM UTC.