California earthquakes

M2.4 earthquake 12 km ENE of Shingletown, California

A magnitude 2.4 earthquake struck 12 km ENE of Shingletown, California on Sun, May 12, 1985, 6:27 AM PDT (13:27 UTC), 35 km (22 mi) below the surface.

A larger quake followed: M2.4 19 km N of Big Bend, California. This one was a foreshock.

Shingletown 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: 2.4 (md), micro
Local time: Sun, May 12, 1985, 6:27 AM PDT
UTC: 1985-05-12 13:27:19 UTC
Depth: 35.5 km (22.1 mi), shallow
Epicenter: 40.517° N, 121.746° 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 3.8 km horizontally, 9.1 km in depth
Depth from: From location
Station coverage gap: 263°, poorly surrounded by stations
Stations used: 4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 31 in the 60 days after this one and 10 in the 30 days before it.

After

Before

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc48748. Read Wed, Sep 23, 2026, 12:57 AM UTC.