California earthquakes

M1.8 earthquake 14km E of Angwin, CA

A magnitude 1.8 earthquake struck 14km E of Angwin, CA on Mon, Jul 5, 2021, 8:02 PM PDT (03:02 UTC), 0 km (0 mi) below the surface.

A larger quake followed: M3.8 4km ENE of Talmage, 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
1.8 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2021-07-06 03:02:25 UTC
Depth
-0.1 km (-0.1 mi), shallow
Epicenter
38.554° N, 122.296° 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 0.3 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.14
Depth from
From location
Station coverage gap
58°
Stations used
30

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 169 in the 60 days after this one and 66 in the 30 days before it.

After

The first 60 of 169.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc73583606. Read Sat, Oct 3, 2026, 7:11 PM UTC.