California earthquakes

M3.4 earthquake 19km ESE of Anza, CA

A magnitude 3.4 earthquake struck 19km ESE of Anza, CA on Tue, Feb 5, 1946, 8:04 AM GMT-8 (16:04 UTC), 2 km (1 mi) below the surface.

Anza forecast More 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: 3.4 (ML, local (Richter)), minor
Magnitude from: Southern California Seismic Network
Local time: Tue, Feb 5, 1946, 8:04 AM GMT-8
UTC: 1946-02-05 16:04:34 UTC
Depth: 2.2 km (1.3 mi), shallow
Epicenter: 33.476° N, 116.486° W
Region: California
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 4.9 km horizontally, 5.6 km in depth
Magnitude uncertainty: ±0.11
Depth from: From location
Station coverage gap: 281°, poorly surrounded by stations
Stations used: 5

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 8 in the 60 days after this one and 7 in the 30 days before it.

After

Before

Earthquakes today California earthquakes Live radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci3360149. Read Sat, Oct 3, 2026, 6:31 AM UTC.