California earthquakes

M1.7 earthquake 14 km ENE of Swall Meadows, California

A magnitude 1.7 earthquake struck 14 km ENE of Swall Meadows, California on Sun, Nov 30, 1986, 5:08 AM PST (13:08 UTC), 9 km (6 mi) below the surface.

A larger quake followed: M1.8 14 km ENE of Swall Meadows, 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: 1.7 (md), micro
Local time: Sun, Nov 30, 1986, 5:08 AM PST
UTC: 1986-11-30 13:08:47 UTC
Depth: 9.3 km (5.7 mi), shallow
Epicenter: 37.572° N, 118.497° 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 0.3 km horizontally, 0.5 km in depth
Magnitude uncertainty: ±0.31
Depth from: From location
Station coverage gap: 97°
Stations used: 28

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc89021. Read Tue, Sep 22, 2026, 5:22 PM UTC.