California earthquakes

M1.8 earthquake 24km NE of Arvin, CA

A magnitude 1.8 earthquake struck 24km NE of Arvin, CA on Thu, Jan 19, 1978, 2:55 AM PST (10:55 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M2.3 20km NW of Grapevine, 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
1.8 (mc), micro
Local time
UTC
1978-01-19 10:55:37 UTC
Depth
0.0 km (0.0 mi), shallow
Epicenter
35.373° N, 118.648° 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.

Location uncertainty
About 1.1 km horizontally, 2.1 km in depth
Depth from
From location
Station coverage gap
118°
Stations used
9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 53 in the 60 days after this one and 10 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci9997698. Read Tue, Sep 22, 2026, 9:39 PM UTC.