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United States · Montana

M3.2 Earthquake near Malmstrom Air Force Base, Montana (United States)

UTC time: 2026-02-01 01:22:46 UTC Local time: —
Magnitude
M3.2
Depth
9.7 km
Source
EMSC

Montana · Malmstrom Air Force Base

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About this earthquake

On February 1, 2026 at 01:22 UTC, a magnitude M3.2 earthquake occurred near Malmstrom Air Force Base, Montana (United States). With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The data is provided by EMSC and cross-checked across seismological networks. United States: 217 earthquakes were recorded in the past 24 hours, the strongest reaching M3.1.

Depth profile

Depth profile Depth: 9.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.7 km
Shallow
9.7 km
9.7 km — shallower than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Felt reports

12felt reports at EMSC / LastQuake

Voluntary reports of feeling this earthquake. The count is not an intensity measurement and is not added to USGS DYFI reports.

Data updated: Feb 2, 2026, 6:28 AM UTC · Last checked: Sep 6, 2026, 12:18 PM UTC

Source: EMSC / LastQuake

Volcanoes nearby

  • Hell's Half Acre
    Distance: 459 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Craters of the Moon
    Distance: 495 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Great Falls International AirportUnited States · GTF · KGTF
    12.9 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-03

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

United States

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 1,428 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

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Country statistics · United States

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View earthquake KPIs, strongest and latest events, and averages for this country.

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