California earthquakes

M3.2 earthquake 15 km E of Seven Trees, California

A magnitude 3.2 earthquake struck 15 km E of Seven Trees, California on Sat, Jun 2, 1984, 10:32 AM PDT (17:32 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.3 7 km ENE of Sunol, 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
3.2 (ml), minor
Local time
UTC
1984-06-02 17:32:06 UTC
Depth
5.3 km (3.3 mi), shallow
Epicenter
37.285° N, 121.663° 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 0.1 km horizontally, 0.2 km in depth
Depth from
From location
Station coverage gap
28°
Stations used
88

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 170 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 170.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc19992 (also filed as usp00024tj). Read Tue, Sep 22, 2026, 10:31 PM UTC.