California earthquakes

M1.6 earthquake 10 km N of Comptche, California

A magnitude 1.6 earthquake struck 10 km N of Comptche, California on Fri, May 25, 1984, 9:48 AM PDT (16:48 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.2 10 km SSE of Ruth, California. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.6 (md), micro
Local time
UTC
1984-05-25 16:48:46 UTC
Depth
5.5 km (3.4 mi), shallow
Epicenter
39.358° N, 123.584° 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 0.6 km horizontally, 1.1 km in depth
Magnitude uncertainty
±0.28
Depth from
From location
Station coverage gap
166°
Stations used
12

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 179 in the 60 days after this one and 89 in the 30 days before it.

After

The first 60 of 179.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1115745. Read Tue, Sep 29, 2026, 4:38 PM UTC.