California earthquakes

M1.9 earthquake 8km NE of Yucaipa, CA

A magnitude 1.9 earthquake struck 8km NE of Yucaipa, CA on Thu, Jan 21, 2021, 3:25 PM PST (23:25 UTC), 2 km (1 mi) below the surface.

A larger quake followed: M3.2 9km NNW of Cabazon, CA. This one was a foreshock.

Oak Glen forecastMore in California

Map

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

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The earthquake

Magnitude
1.9 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-01-21 23:25:49 UTC
Depth
2.1 km (1.3 mi), shallow
Epicenter
34.083° N, 116.975° W
Felt reports
2
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

2 people reported to the USGS what they felt; the strongest reported shaking was III, weak shaking.

Did You Feel It? map: shaking reported by the public
Shaking reported by the public, by area. Map: USGS Did You Feel It?

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.1 km horizontally, 0.2 km in depth
Magnitude uncertainty
±0.26
Depth from
From location
Station coverage gap
29°
Stations used
71

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 121 in the 60 days after this one and 59 in the 30 days before it.

After

The first 60 of 121.

Before

Earthquakes todayCalifornia earthquakesLive radar here

Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39764832. Read Sun, Oct 4, 2026, 12:14 PM UTC.