California earthquakes

M1.5 earthquake 18km SSW of Oasis, CA

A magnitude 1.5 earthquake struck 18km SSW of Oasis, CA on Fri, May 13, 1983, 3:11 PM PDT (22:11 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M3.8 20km NNW of Borrego Springs, CA. This one was a foreshock.

Desert Shores 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 (mc), micro
Local time
UTC
1983-05-13 22:11:40 UTC
Depth
8.6 km (5.3 mi), shallow
Epicenter
33.312° N, 116.173° 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 0.5 km horizontally, 2.0 km in depth
Depth from
From location
Station coverage gap
62°
Stations used
17

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 132 in the 30 days before it.

After

The first 60 of 191.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci1107607. Read Wed, Sep 30, 2026, 3:14 PM UTC.