California earthquakes

M3.9 earthquake 21 km NNE of Soledad, California

A magnitude 3.9 earthquake struck 21 km NNE of Soledad, California on Sun, Jun 9, 1974, 5:03 PM PDT (00:03 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.2 17 km SW of South Dos Palos, 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
3.9 (Md, duration), minor
Magnitude from
Northern California Seismic System
Local time
UTC
1974-06-10 00:03:56 UTC
Depth
8.8 km (5.5 mi), shallow
Epicenter
36.599° N, 121.212° 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, 0.3 km in depth
Depth from
From location
Station coverage gap
27°
Stations used
79

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 145 in the 30 days before it.

After

The first 60 of 189.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1019855. Read Sun, Oct 4, 2026, 9:38 PM UTC.