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United States · Montana

M3.3 Earthquake near Powell County, Montana (United States)

UTC time: 2026-10-05 02:34:55 UTC Local time: —

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About this earthquake

On October 5, 2026 at 02:34 UTC, a magnitude M3.3 earthquake occurred near Powell County, Montana (United States). With a focal depth of about 5 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 USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 172 earthquakes, the strongest at M3.5.

Details

ID
99ebf89a0e4e85fc22ffeafff7e637240a71e237
Magnitude
M3.3
Depth
5.0 km
UTC time
2026-10-05 02:34:55 UTC
Local time
—
Country
United States
State
Montana
City
Powell County
County
Powell County
Source
usgs
Coordinates
47.13683, -113.10800
Temperature
14.7°C

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 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

Volcanoes nearby

  • Hell's Half Acre
    Distance: 409 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Craters of the Moon
    Distance: 420 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Black Butte Crater Lava Field
    Distance: 450 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·United States
  • Wapi Lava Field
    Distance: 473 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States

United States

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 1,432 Catalogue entries

Of 1,431 other entries for this area and period, 848 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

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Historic earthquake map · United States

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Country statistics · United States

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