California earthquakes

M1.6 earthquake 30 km NE of Soledad, California

A magnitude 1.6 earthquake struck 30 km NE of Soledad, California on Mon, Apr 29, 1985, 3:54 PM PDT (22:54 UTC), 7 km (4 mi) below the surface.

A larger quake followed: M2.8 15 km SSE of Tres Pinos, 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
1.6 (md), micro
Local time
UTC
1985-04-29 22:54:30 UTC
Depth
6.9 km (4.3 mi), shallow
Epicenter
36.580° N, 121.043° 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 1.3 km horizontally, 1.7 km in depth
Magnitude uncertainty
±0.18
Depth from
From location
Station coverage gap
119°
Stations used
21

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 159 in the 60 days after this one and 31 in the 30 days before it.

After

The first 60 of 159.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc46945. Read Tue, Sep 22, 2026, 4:10 PM UTC.