California earthquakes

M1.8 earthquake 24 km ENE of Soledad, California

A magnitude 1.8 earthquake struck 24 km ENE of Soledad, California on Wed, Sep 17, 1986, 3:34 AM PDT (10:34 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M3.7 24 km S of Big Sur, California. This one was a foreshock.

Soledad 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
1.8 (md), micro
Local time
UTC
1986-09-17 10:34:27 UTC
Depth
2.7 km (1.7 mi), shallow
Epicenter
36.494° N, 121.067° 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 0.3 km horizontally, 0.4 km in depth
Magnitude uncertainty
±0.24
Depth from
From location
Station coverage gap
109°
Stations used
18

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 183 in the 60 days after this one and 101 in the 30 days before it.

After

The first 60 of 183.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc82869. Read Tue, Sep 29, 2026, 5:49 PM UTC.