California earthquakes

M2.4 earthquake 18km NW of Grapevine, CA

A magnitude 2.4 earthquake struck 18km NW of Grapevine, CA on Wed, Oct 22, 1986, 1:10 AM PDT (08:10 UTC), 12 km (7 mi) below the surface.

A larger quake followed: M2.8 14km WSW of Lake Hughes, CA. 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 (ml), micro
Local time
UTC
1986-10-22 08:10:57 UTC
Depth
12.0 km (7.4 mi), shallow
Epicenter
35.042° N, 119.081° W
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.

Depth from
From location
Station coverage gap
115°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 56 in the 60 days after this one and 42 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci711484. Read Tue, Sep 22, 2026, 10:23 PM UTC.