California earthquakes

M1.7 earthquake 11 km ESE of Angwin, CA

A magnitude 1.7 earthquake struck 11 km ESE of Angwin, CA on Sat, Aug 29, 2026, 3:53 PM PDT (22:53 UTC), 6 km (4 mi) below the surface.

A larger quake followed: M3.3 3 km ESE of Larkfield-Wikiup, CA. This one was a foreshock.

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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
1.7 (Md, duration), micro
Magnitude from
Northern California Seismic System
Local time
UTC
2026-08-29 22:53:09 UTC
Depth
6.1 km (3.8 mi), shallow
Epicenter
38.544° N, 122.332° 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, 0.4 km in depth
Magnitude uncertainty
±0.17
Depth from
From location
Station coverage gap
41°
Stations used
59

Nearest places

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

Nearby

Within 100 km, magnitude 1.5 and up: 126 since this one and 118 in the 30 days before it.

After

The first 60 of 126.

Before

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event nc75426942. Read Thu, Oct 1, 2026, 6:24 PM UTC.