California earthquakes

M1.9 earthquake 19km E of Coso Junction, CA

A magnitude 1.9 earthquake struck 19km E of Coso Junction, CA on Mon, Jul 8, 1985, 9:37 AM PDT (16:37 UTC), 1 km (0 mi) below the surface.

A larger quake followed: M4.3 16km ESE of Little Lake, 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
Magnitude from
Southern California Seismic Network
Local time
UTC
1985-07-08 16:37:46 UTC
Depth
0.7 km (0.4 mi), shallow
Epicenter
36.040° N, 117.736° 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
154°
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: 96 in the 60 days after this one and 38 in the 30 days before it.

After

The first 60 of 96.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci69879. Read Mon, Oct 5, 2026, 3:08 AM UTC.