California earthquakes

M1.9 earthquake 7km ESE of Lone Pine, CA

A magnitude 1.9 earthquake struck 7km ESE of Lone Pine, CA on Thu, Dec 29, 1983, 2:26 AM PST (10:26 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.7 28km WSW of Olancha, CA. 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
1.9 (mc), micro
Local time
UTC
1983-12-29 10:26:56 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
36.573° N, 117.992° 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.

Location uncertainty
About 3.9 km horizontally, 31.6 km in depth
Depth from
Operator assigned
Station coverage gap
344°, poorly surrounded by stations
Stations used
6

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: at least 201 in the 60 days after this one and 175 in the 30 days before it.

After

The first 60 of at least 201.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci28249. Read Thu, Oct 1, 2026, 2:07 AM UTC.