California earthquakes

M3.3 earthquake 15 km E of Seven Trees, California

A magnitude 3.3 earthquake struck 15 km E of Seven Trees, California on Mon, Mar 11, 1985, 8:03 PM PST (04:03 UTC), 6 km (4 mi) below the surface.

Seven Trees forecastMore 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
3.3 (ml), minor
Local time
UTC
1985-03-12 04:03:59 UTC
Depth
5.8 km (3.6 mi), shallow
Epicenter
37.289° N, 121.667° 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
102

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 146 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 146.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc43546 (also filed as usp0002cru). Read Tue, Sep 22, 2026, 3:34 PM UTC.