California earthquakes

M1.8 earthquake 14km NNW of Grapevine, CA

A magnitude 1.8 earthquake struck 14km NNW of Grapevine, CA on Sun, Jan 29, 1984, 10:21 AM PST (18:21 UTC), 24 km (15 mi) below the surface.

A larger quake followed: M2.1 3km NNW of Frazier Park, CA. This one was a foreshock.

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

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The earthquake

Magnitude
1.8 (mc), micro
Local time
UTC
1984-01-29 18:21:16 UTC
Depth
24.2 km (15.1 mi), shallow
Epicenter
35.062° N, 118.978° 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
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: 69 in the 60 days after this one and 35 in the 30 days before it.

After

The first 60 of 69.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci30456. Read Tue, Sep 22, 2026, 5:15 PM UTC.