California earthquakes

M2.8 earthquake 18km SSE of Lone Pine, CA

A magnitude 2.8 earthquake struck 18km SSE of Lone Pine, CA on Wed, Feb 22, 1984, 6:29 PM PST (02:29 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.3 26km NNE of Kernville, 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
2.8 (mh), micro
Local time
UTC
1984-02-23 02:29:27 UTC
Depth
6.9 km (4.3 mi), shallow
Epicenter
36.446° N, 117.961° 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 1.0 km horizontally, 0.8 km in depth
Depth from
From location
Station coverage gap
161°
Stations used
37

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 200 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 200.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci32142. Read Tue, Sep 22, 2026, 4:15 PM UTC.