California earthquakes

M2.0 earthquake 2km NE of Commerce, CA

A magnitude 2.0 earthquake struck 2km NE of Commerce, CA on Wed, Apr 4, 1984, 6:45 AM PST (14:45 UTC), 5 km (3 mi) below the surface.

A larger quake followed: M3.1 10km SSE of Rancho Palos Verdes, CA. This one was a foreshock.

Commerce forecastMore in California

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Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
2.0 (Mc), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
1984-04-04 14:45:50 UTC
Depth
4.7 km (2.9 mi), shallow
Epicenter
34.013° N, 118.147° 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.

Depth from
Operator assigned
Station coverage gap
0°
Stations used
0

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 118 in the 60 days after this one and 74 in the 30 days before it.

After

The first 60 of 118.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci35820. Read Sun, Oct 4, 2026, 6:23 PM UTC.