28 Sept 2025, 16:21 UTC · Sep 28, 12:21 PM ET

M3.0 earthquake 27 km N of Spencer, Idaho

A magnitude 3.0 earthquake struck 27 km N of Spencer, Idaho at Sep 28, 12:21 PM ET, 10 km deep, minor – felt by people near the epicenter.

under 33–44–55–66+

Magnitude	3.0 ml
Time	28 Sept 2025, 16:21 UTC
Location	44.600°, -112.242° – 27 km N of Spencer, Idaho
Depth	10.0 km
Felt reports	0
USGS event	us6000rdg8

Within 100 km

Other earthquakes nearby this year

Mag.	Where	When (ET)	Depth	Felt
3.8	22 km NNW of Spencer, Idaho	Oct 2, 11:19 PM 379 d ago	10 km	–
3.3	18 km S of Lima, Montana	Jun 30, 8:35 PM 108 d ago	8 km	–
3.2	18 km N of Leadore, Idaho	May 25, 3:38 PM 144 d ago	6 km	–
2.9	30 km W of Hebgen Lake Estates, Montana	Apr 4, 10:26 PM 195 d ago	10 km	2 reports
2.9	23 km N of Spencer, Idaho	Oct 5, 5:25 AM 376 d ago	8 km	1 report
2.8	19 km NE of Lima, Montana	May 8, 4:16 AM 162 d ago	11 km	–
2.8	3 km ESE of Hebgen Lake Estates, Montana	Sep 8, 3:21 AM 39 d ago	11 km	–
2.7	48 km NE of Spencer, Idaho	Jul 1, 7:44 PM 107 d ago	10 km	–
2.7	23 km N of Spencer, Idaho	Oct 4, 4:48 AM 377 d ago	10 km	–
2.6	24 km N of Spencer, Idaho	Nov 4, 11:38 PM 346 d ago	10 km	–
2.6	26 km N of Spencer, Idaho	Oct 4, 7:54 AM 377 d ago	14 km	–
2.6	10 km W of Hebgen Lake Estates, Montana	Jan 10, 1:06 PM 279 d ago	12 km	–

FAQ

About this earthquake

How strong was the 27 km N of Spencer, Idaho earthquake?

Magnitude 3.0 (ml), minor – felt by people near the epicenter. Depth 10 km.

Was it felt?

No felt reports have been submitted to the USGS so far.

Were there aftershocks?

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

Earthquakes

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.