California earthquakes

M3.0 earthquake 4 km NW of Dublin, California

A magnitude 3.0 earthquake struck 4 km NW of Dublin, California on Mon, Mar 1, 1976, 12:05 PM PST (20:05 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M3.5 7 km WSW of Gilroy, California. 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
3.0 (Md, duration), minor
Magnitude from
Northern California Seismic System
Local time
UTC
1976-03-01 20:05:00 UTC
Depth
6.6 km (4.1 mi), shallow
Epicenter
37.725° N, 121.975° 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 0.2 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.13
Depth from
From location
Station coverage gap
38°
Stations used
29

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 112 in the 60 days after this one and 43 in the 30 days before it.

After

The first 60 of 112.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1028962. Read Fri, Oct 2, 2026, 3:32 PM UTC.