California earthquakes

M1.9 earthquake 46km ENE of Trona, CA

A magnitude 1.9 earthquake struck 46km ENE of Trona, CA on Sat, Jun 22, 1985, 5:41 AM PDT (12:41 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.1 15km SE of Olancha, 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
1.9 (mc), micro
Local time
UTC
1985-06-22 12:41:42 UTC
Depth
5.2 km (3.2 mi), shallow
Epicenter
35.876° N, 116.884° 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
223°, poorly surrounded by stations
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 12 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci68751. Read Mon, Sep 28, 2026, 12:49 PM UTC.