California earthquakes

M1.6 earthquake 9km NNE of Grapevine, CA

A magnitude 1.6 earthquake struck 9km NNE of Grapevine, CA on Wed, Jul 24, 1985, 5:46 AM PDT (12:46 UTC), 10 km (6 mi) below the surface.

A larger quake followed: M3.1 14km W of Ojai, 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
1.6 (mc), micro
Local time
UTC
1985-07-24 12:46:54 UTC
Depth
10.3 km (6.4 mi), shallow
Epicenter
35.018° N, 118.881° 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
136°
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: 52 in the 60 days after this one and 29 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci71446. Read Mon, Sep 28, 2026, 8:33 PM UTC.