California earthquakes

M1.8 earthquake 10 km NE of Phillipsville, California

A magnitude 1.8 earthquake struck 10 km NE of Phillipsville, California on Sat, Nov 23, 1985, 11:17 PM PST (07:17 UTC), 26 km (16 mi) below the surface.

A larger quake followed: M1.8 17 km NE of Myers Flat, California. This one was a foreshock.

Miranda forecast More in California

Map

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

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The earthquake

Magnitude: 1.8 (md), micro
Local time: Sat, Nov 23, 1985, 11:17 PM PST
UTC: 1985-11-24 07:17:29 UTC
Depth: 25.6 km (15.9 mi), shallow
Epicenter: 40.270° N, 123.695° 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 1.4 km horizontally, 0.8 km in depth
Depth from: From location
Station coverage gap: 104°
Stations used: 5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 75 in the 60 days after this one and 42 in the 30 days before it.

After

The first 60 of 75.

Before

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc61202. Read Tue, Sep 22, 2026, 8:40 PM UTC.