California earthquakes

M2.5 earthquake 10km NNE of Lake Arrowhead, CA

A magnitude 2.5 earthquake struck 10km NNE of Lake Arrowhead, CA on Fri, Oct 15, 1982, 7:06 AM PDT (14:06 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.1 8km W of Morongo Valley, 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
2.5 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1982-10-15 14:06:44 UTC
Depth
4.6 km (2.9 mi), shallow
Epicenter
34.338° N, 117.165° 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
50°
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: 191 in the 60 days after this one and 105 in the 30 days before it.

After

The first 60 of 191.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci511494. Read Thu, Oct 1, 2026, 3:20 AM UTC.