California earthquakes

M1.5 earthquake 13 km NE of Fieldbrook, California

A magnitude 1.5 earthquake struck 13 km NE of Fieldbrook, California on Mon, Jun 8, 1981, 10:07 PM PDT (05:07 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M2.5 54 km WNW of Samoa, California. This one was a foreshock.

Fieldbrook 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
1.5 (md), micro
Local time
UTC
1981-06-09 05:07:52 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
41.037° N, 123.909° 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 50.8 km horizontally, 85.0 km in depth
Depth from
From location
Station coverage gap
225°, poorly surrounded by stations
Stations used
4

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 141 in the 60 days after this one and 58 in the 30 days before it.

After

The first 60 of 141.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc1064383. Read Wed, Sep 23, 2026, 3:21 AM UTC.