California earthquakes

M1.7 earthquake 13 km SSW of Markleeville, California

A magnitude 1.7 earthquake struck 13 km SSW of Markleeville, California on Tue, Jul 24, 1979, 5:26 PM PDT (00:26 UTC), -1 km (-1 mi) below the surface.

A larger quake followed: M2.2 3 km WNW of Alpine Village, 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: 1.7 (md), micro
Local time: Tue, Jul 24, 1979, 5:26 PM PDT
UTC: 1979-07-25 00:26:31 UTC
Depth: -1.1 km (-0.7 mi), shallow
Epicenter: 38.572° N, 119.817° W
Region: California
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 8.8 km horizontally, 6.7 km in depth
Magnitude uncertainty: ±0.29
Depth from: From location
Station coverage gap: 309°, poorly surrounded by stations
Stations used: 9

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 18 in the 60 days after this one and 11 in the 30 days before it.

After

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1046744. Read Tue, Sep 22, 2026, 12:10 PM UTC.