California earthquakes

M3.6 earthquake Central California

A magnitude 3.6 earthquake struck in Central California on Sat, May 31, 1986, 11:49 PM PDT (06:49 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M4.4 24 km SSW of Big Sur, 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
3.6 (md), minor
Local time
UTC
1986-06-01 06:49:03 UTC
Depth
5.0 km (3.1 mi), shallow
Epicenter
36.628° N, 121.236° 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
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
35°
Stations used
75

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 191 in the 60 days after this one and 170 in the 30 days before it.

After

The first 60 of 191.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73901 (also filed as usp0002unn). Read Mon, Sep 28, 2026, 8:18 PM UTC.