California earthquakes

M2.2 earthquake 14km N of Ocotillo, CA

A magnitude 2.2 earthquake struck 14km N of Ocotillo, CA on Mon, Aug 16, 2021, 3:42 AM PDT (10:42 UTC), 9 km (5 mi) below the surface.

A larger quake followed: M4.0 12km N of Westmorland, CA. This one was a foreshock.

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Map

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

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The earthquake

Magnitude
2.2 (ML, local (Richter)), micro
Magnitude from
Southern California Seismic Network
Local time
UTC
2021-08-16 10:42:18 UTC
Depth
8.6 km (5.4 mi), shallow
Epicenter
32.861° N, 115.968° 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 0.2 km horizontally, 0.5 km in depth
Magnitude uncertainty
±0.15
Depth from
From location
Station coverage gap
34°
Stations used
70

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 156 in the 60 days after this one and 70 in the 30 days before it.

After

The first 60 of 156.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event ci39774479. Read Sun, Oct 4, 2026, 12:08 PM UTC.