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M3.2 Depth: 9.7 km

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

UTC time: 2026-02-01 01:22:46 UTC Local time: —

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: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

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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 (15.9 km)
Regional average: 15.9 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

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

Historic earthquake map · United States

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Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

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

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