Earthquakes in Montana

1 earthquakes in the last 24 hours• Latest significant: M3.4

Earthquake Map

Map showing earthquake epicenter at 46.88°, -110.36°

Recent Earthquakes (Last 30 Days)

Dataset at a glance — Montana

Over the past 30 days, Montana has recorded 5 earthquakes of magnitude 2.5 or greater in our tracker. The remaining 5 fell in the M2.5–M3.9 band. By depth: 5 shallow (<70 km). 3 of the epicenters were offshore. 1 event produced at least one felt report, totalling 7 citizen submissions to the USGS Did You Feel It? system. Focal depths ranged from 6.9 km to 24.3 km. All 5 solutions have been reviewed by a USGS seismologist.

Each row in the table below includes a narrative summary of the event, ordered by time. Use the column headers to sort or filter by magnitude.

Showing 5 of 5
Time Mag Location Depth Felt MMIAlertStatusDetails
11 hours ago
2026-09-12 06:44:00 UTC
2.7ml
10 km WNW of Wisdom, Montana
45.638°, -113.580°
23.3 km---✓ ReviewedUSGS →
On September 12, 2026, Montana registered a magnitude 2.7 earthquake 10 km WNW of Wisdom, Montana at 06:44 UTC. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
4 days ago
2026-09-08 07:21:53 UTC
2.8ml
3 km ESE of Hebgen Lake Estates, Montana
44.759°, -111.152°
11.0 km---✓ ReviewedUSGS →
Seismographs logged a magnitude 2.8 earthquake 3 km ESE of Hebgen Lake Estates, Montana with origin time 07:21 UTC on September 8, 2026. See the M2.8 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-07 07:43:44 UTC
2.7ml
57 km NE of Kelly, Wyoming
44.051°, -110.226°
7.3 km---✓ ReviewedUSGS →
At 07:43 UTC on September 7, 2026, a magnitude 2.7 tremor occurred 57 km NE of Kelly, Wyoming. This event falls inside the aftershock decay of a nearby magnitude 3.4 earthquake that occurred about 3 hours earlier. The event was offshore. See the M2.7 event page for the full report, ShakeMap, and citizen-reported intensity data.
5 days ago
2026-09-07 04:25:01 UTC
3.4ml
57 km NE of Kelly, Wyoming
44.047°, -110.219°
6.9 km---✓ ReviewedUSGS →
On September 7, 2026 at 04:25 UTC, a magnitude 3.4 earthquake struck 57 km NE of Kelly, Wyoming. It is the largest earthquake currently listed for Montana over the past 30 days. See the M3.4 event page for the full report, ShakeMap, and citizen-reported intensity data.
2026-08-28
2026-08-28 02:38:13 UTC
3.2ml
3 km SE of Seeley Lake, Montana
47.155°, -113.451°
24.3 km7--✓ ReviewedUSGS →
A magnitude 3.2 earthquake was recorded 3 km SE of Seeley Lake, Montana on August 28, 2026 at 02:38 UTC. This is the deepest earthquake in the current dataset — a shallow crustal event. See the M3.2 event page for the full report, ShakeMap, and citizen-reported intensity data.
Legend:
Mag: Magnitude (magType = ml, mb, mw, etc.)
Felt: Number of DYFI felt reports
MMI: Modified Mercalli Intensity (I-X+)
Alert: PAGER alert level
Depth: Shallow (<70km), Intermediate, Deep (>300km)
Status: Auto = preliminary, Reviewed = verified by seismologist
Click any row to see additional technical details.

Earthquake Statistics

Last 24 Hours1
Last 30 Days5
2026 (M2.5+)36

Largest (30 Days)
M3.4

57 km NE of Kelly, Wyoming

5 days ago

Largest in 2026
M4.2

9 km N of Black Eagle, Montana

2026-01-29

Seismic Risk Level
Moderate

Data from USGS Earthquake Hazards Program. Updated every 5 minutes.

About Montana

Montana experiences regular seismic activity due to the Intermountain Seismic Belt. The 1959 Hebgen Lake earthquake killed 28 people and caused a massive landslide.

Montana Earthquakes 2026

In 2026, Montana has recorded 36 earthquakes of magnitude 2.5 or greater so far. The largest earthquake in Montana in 2026 was a magnitude 4.2 event near Black Eagle, Montana.

Seismic Activity in Montana

Montana has a Moderate seismic risk level based on historical earthquake data and proximity to active fault lines.

Over the past 30 days, there have been 5 recorded earthquakes in this region. The largest recent earthquake was a magnitude 3.4 event near 57 km NE of Kelly, Wyoming.

Frequently Asked Questions

How many earthquakes occur in Montana?

In the past 30 days, 5 earthquakes have been recorded in the Montana region.

What was the biggest recent earthquake in Montana?

The largest recent earthquake in the Montana area was a magnitude 3.4 event that occurred 57 km NE of Kelly, Wyoming.