27 Nov 2025, 12:21 UTC · Nov 27, 7:21 AM ET

M3.7 earthquake 3 km WSW of Anderson Springs, CA

A magnitude 3.7 earthquake struck 3 km WSW of Anderson Springs, CA at Nov 27, 7:21 AM ET, 1 km deep, minor – felt by people near the epicenter. 27 people reported feeling it.

M3.7 3 km WSW of Anderson Springs, CAM3.7 18 km NE of Upper Lake, CAM3.7 10 km W of Boonville, CAM3.8 11 km ESE of Willits, CAM3.8 1 km NW of The Geysers, CAM3.9 1 km NNW of The Geysers, CAM4.0 6 km W of Glen Ellen, CAM4.2 5 km W of Cobb, CAM4.2 12 km ENE of Cloverdale, CAM4.2 8 km ESE of Cloverdale, CAM4.4 2 km NW of The Geysers, CAM4.4 9 km ESE of Willits, CAM5.6 11 km N of Redwood Valley, CA
under 33–44–55–66+
Magnitude3.7 mw
Time27 Nov 2025, 12:21 UTC
Location38.763°, -122.725° – 3 km WSW of Anderson Springs, CA
Depth1.1 km
Felt reports27
Max. estimated intensity (MMI)4.1
USGS eventnc75269971
Within 100 km

Other earthquakes nearby this year

Mag.WhereWhen (ET)DepthFelt
5.611 km N of Redwood Valley, CA · PAGER yellowJun 24, 11:10 AM
114 d ago
9 km5,311 reports
4.42 km NW of The Geysers, CA · PAGER greenMay 7, 5:42 AM
162 d ago
4 km422 reports
4.49 km ESE of Willits, CA · tsunami flag · PAGER greenJan 13, 4:10 PM
276 d ago
8 km414 reports
4.28 km ESE of Cloverdale, CA · PAGER greenJul 28, 10:40 PM
80 d ago
6 km240 reports
4.212 km ENE of Cloverdale, CA · PAGER greenJan 8, 3:00 AM
282 d ago
3 km250 reports
4.25 km W of Cobb, CA · PAGER greenFeb 21, 12:22 PM
237 d ago
2 km143 reports
4.06 km W of Glen Ellen, CA · tsunami flag · PAGER greenDec 14, 6:30 PM
306 d ago
3 km1,174 reports
3.91 km NNW of The Geysers, CA · PAGER greenNov 24, 10:08 AM
326 d ago
2 km109 reports
3.811 km ESE of Willits, CAJan 13, 5:51 PM
276 d ago
9 km84 reports
3.81 km NW of The Geysers, CANov 27, 12:11 PM
323 d ago
1 km5 reports
3.710 km W of Boonville, CASep 25, 11:42 PM
21 d ago
5 km136 reports
3.718 km NE of Upper Lake, CAMar 26, 1:24 PM
204 d ago
7 km62 reports
FAQ

About this earthquake

How strong was the 3 km WSW of Anderson Springs, CA earthquake?

Magnitude 3.7 (mw), minor – felt by people near the epicenter. Depth 1 km. Strongest estimated shaking: intensity 4.1 on the Modified Mercalli scale.

Was it felt?

27 people reported feeling it to the USGS "Did You Feel It?" survey; the highest reported intensity was 5.4.

Were there aftershocks?

1 earthquakes within 100 km in the following two weeks are in our records, the strongest M3.8.

Earthquakes

More

Source: U.S. Geological Survey (USGS) earthquake catalog, real-time feeds and FDSN event service; magnitudes and locations are revised by seismologists for hours after an event. Times are Eastern (ET) unless marked UTC. Not an alert service: for warnings follow local authorities and tsunami centers.

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