California earthquakes

M1.6 earthquake Central California

A magnitude 1.6 earthquake struck in Central California on Sun, Mar 21, 1976, 10:18 PM PST (06:18 UTC), 3 km (2 mi) below the surface.

A larger quake followed: M1.7 22 km ENE of Soledad, California. This one was a foreshock.

Ridgemark 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
1.6 (md), micro
Local time
UTC
1976-03-22 06:18:28 UTC
Depth
2.8 km (1.7 mi), shallow
Epicenter
36.713° N, 121.351° 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, 0.3 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
48°
Stations used
25

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 0 in the 30 days before it.

After

The first 60 of 183.

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1029218. Read Tue, Sep 22, 2026, 9:33 PM UTC.