California earthquakes

M1.5 earthquake 22 km NNE of Soledad, California

A magnitude 1.5 earthquake struck 22 km NNE of Soledad, California on Sat, Mar 10, 1984, 1:53 PM PST (21:53 UTC), 1 km (1 mi) below the surface.

A larger quake followed: M3.7 7 km NNE of San Martin, 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
1984-03-10 21:53:30 UTC
Depth
1.3 km (0.8 mi), shallow
Epicenter
36.599° N, 121.205° 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, 0.6 km in depth
Magnitude uncertainty
±0.16
Depth from
From location
Station coverage gap
59°
Stations used
15

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 198 in the 60 days after this one and 0 in the 30 days before it.

After

The first 60 of 198.

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc9814. Read Tue, Sep 22, 2026, 9:33 PM UTC.