California earthquakes

M3.2 earthquake 7km NNE of Olancha, CA

A magnitude 3.2 earthquake struck 7km NNE of Olancha, CA on Mon, Dec 16, 1985, 1:09 AM PST (09:09 UTC), 4 km (3 mi) below the surface.

A larger quake followed: M3.3 7 km NE of Big Pine, California. This one was a foreshock.

Lone Pine forecastMore in California

Map

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

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The earthquake

Magnitude
3.2 (ml), minor
Local time
UTC
1985-12-16 09:09:51 UTC
Depth
4.4 km (2.7 mi), shallow
Epicenter
36.335° N, 117.971° 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
Operator assigned
Station coverage gap
153°
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: 64 in the 60 days after this one and 47 in the 30 days before it.

After

The first 60 of 64.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci110821 (also filed as usp0002nxs). Read Thu, Sep 24, 2026, 11:05 AM UTC.