Earthquake · Reviewed by USGS

M3.1 earthquake 9 km ENE of Colusa, CA

A magnitude 3.1 earthquake struck 9 km ENE of Colusa, CA at Mar 17, 2026, 17:26 UTC, at a depth of 24 km. The epicentre was 28 km (17 mi) WNW of South Yuba City. 23 people reported feeling it to USGS.

Details

Magnitude	3.1 ml
Time	Mar 17, 2026, 17:26 UTC
Depth	24.4 km
Coordinates	39.249, -121.914
Felt reports	23
Tsunami flag	None
Source	USGS event page

Fig. 1The epicentre and other earthquakes within 100 km, since the day before

01 — Nearby

Nearest cities

02 — Around it

Other earthquakes within 100 km

Other earthquakes within 100 km since the day before this event
Magnitude	Location	Distance	Depth	Time
1.0	3 km W of Cobb, CA	88 km / 54 mi	depth 2 km	Oct 26, 17:16 UTC
1.0	2 km NNW of The Geysers, CA	89 km / 56 mi	depth 2 km	Oct 26, 15:10 UTC
1.0	2 km NNW of The Geysers, CA	89 km / 55 mi	depth 1 km	Oct 26, 15:08 UTC
1.3	6 km NW of The Geysers, CA	90 km / 56 mi	depth 3 km	Oct 26, 14:42 UTC
1.3	4 km NNW of The Geysers, CA	89 km / 55 mi	depth 2 km	Oct 26, 08:43 UTC
1.0	6 km NNW of The Geysers, CA	90 km / 56 mi	depth 3 km	Oct 26, 06:02 UTC
1.1	2 km WNW of Anderson Springs, CA	87 km / 54 mi	depth 3 km	Oct 26, 05:46 UTC
1.1	7 km NW of The Geysers, CA	92 km / 57 mi	depth 2 km	Oct 26, 05:05 UTC
1.3	5 km WNW of Cobb, CA	88 km / 55 mi	depth 2 km	Oct 26, 02:00 UTC
1.2	3 km W of Cobb, CA	87 km / 54 mi	depth 2 km	Oct 25, 23:04 UTC
1.4	4 km W of Cobb, CA	87 km / 54 mi	depth 2 km	Oct 25, 23:02 UTC
1.7	10 km NW of The Geysers, CA	94 km / 58 mi	depth 3 km	Oct 25, 14:36 UTC
2.1	8 km WNW of Cobb, CA	90 km / 56 mi	depth 2 km	Oct 25, 14:06 UTC
1.4	2 km NNW of The Geysers, CA	90 km / 56 mi	depth 2 km	Oct 25, 11:59 UTC
1.1	8 km NW of The Geysers, CA	91 km / 56 mi	depth 2 km	Oct 25, 07:30 UTC
1.7	2 km NNW of The Geysers, CA	89 km / 55 mi	depth 0 km	Oct 25, 06:54 UTC
1.9	2 km NNW of The Geysers, CA	90 km / 56 mi	depth 0 km	Oct 25, 06:54 UTC
1.3	6 km WNW of Cobb, CA	88 km / 55 mi	depth 2 km	Oct 25, 05:48 UTC
1.1	7 km NW of The Geysers, CA	91 km / 57 mi	depth 1 km	Oct 25, 05:23 UTC
1.8	17 km ESE of Lake Pillsbury, CA	76 km / 47 mi	depth 9 km	Oct 25, 05:03 UTC
1.1	5 km NW of The Geysers, CA	90 km / 56 mi	depth 3 km	Oct 25, 02:43 UTC
2.2	7 km W of Cobb, CA	90 km / 56 mi	depth 2 km	Oct 25, 02:15 UTC
2.3	17 km SE of Lake Pillsbury, CA	77 km / 48 mi	depth 7 km	Oct 25, 00:13 UTC
2.3	7 km W of Cobb, CA	90 km / 56 mi	depth 2 km	Oct 24, 20:39 UTC
2.5	7 km W of Cobb, CA	90 km / 56 mi	depth 2 km	Oct 24, 20:39 UTC

USGS can revise magnitude and location after the first report. See magnitude vs intensity and aftershocks.