California earthquakes

M1.5 earthquake Central California

A magnitude 1.5 earthquake struck in Central California on Fri, Jun 28, 1985, 10:36 PM PDT (05:36 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M2.0 10 km WNW of Aspen Springs, 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
1.5 (md), micro
Local time
UTC
1985-06-29 05:36:13 UTC
Depth
3.1 km (1.9 mi), shallow
Epicenter
37.525° N, 119.346° 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 2.5 km horizontally, 7.0 km in depth
Magnitude uncertainty
±0.06
Depth from
From location
Station coverage gap
173°
Stations used
5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 187 in the 60 days after this one and 12 in the 30 days before it.

After

The first 60 of 187.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc50396. Read Tue, Sep 22, 2026, 11:21 PM UTC.