California earthquakes

M2.9 earthquake 26 km WSW of Three Rocks, California

A magnitude 2.9 earthquake struck 26 km WSW of Three Rocks, California on Tue, Jul 27, 1976, 2:54 AM PDT (09:54 UTC), 16 km (10 mi) below the surface.

A larger quake followed: M4.0 23 km ENE of Soledad, California. This one was a foreshock.

Mendota forecast More in California

Map

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

Open the live map with earthquakes

The earthquake

Magnitude: 2.9 (Md, duration), micro
Magnitude from: Northern California Seismic System
Local time: Tue, Jul 27, 1976, 2:54 AM PDT
UTC: 1976-07-27 09:54:31 UTC
Depth: 15.7 km (9.8 mi), shallow
Epicenter: 36.442° N, 120.673° 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 0.5 km horizontally, 0.7 km in depth
Magnitude uncertainty: ±0.77
Depth from: From location
Station coverage gap: 148°
Stations used: 22

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 189 in the 60 days after this one and 99 in the 30 days before it.

After

The first 60 of 189.

Before

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1030636. Read Fri, Oct 2, 2026, 9:21 AM UTC.