California earthquakes

M1.6 earthquake 16km NE of Grapevine, CA

A magnitude 1.6 earthquake struck 16km NE of Grapevine, CA on Sat, Mar 23, 1985, 8:39 AM PST (16:39 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.1 2km NNW of Bodfish, 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
1.6 (mc), micro
Local time
UTC
1985-03-23 16:39:30 UTC
Depth
6.7 km (4.2 mi), shallow
Epicenter
35.062° N, 118.830° 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
147°
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: 60 in the 60 days after this one and 33 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci63113. Read Tue, Sep 22, 2026, 8:07 PM UTC.