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United States · Montana

M2.7 Earthquake near Horse Butte Acres Trailer Court, Montana (United States)

UTC time: 2026-09-08 07:21:53 UTC Local time: —
Magnitude
M2.7
Depth
11.9 km
Source
USGS

Montana · Horse Butte Acres Trailer Court

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About this earthquake

A magnitude M2.7 earthquake was recorded near Horse Butte Acres Trailer Court, Montana (United States) on September 8, 2026 at 07:21 UTC. The hypocenter lay relatively close to the surface at around 12 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 155 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Depth profile

Depth profile Depth: 11.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.9 km
Shallow
11.9 km
11.9 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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: 174 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Craters of the Moon
    Distance: 241 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Wapi Lava Field
    Distance: 265 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States
  • Black Butte Crater Lava Field
    Distance: 309 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Yellowstone AirportUnited States · WYS · KWYS
    8.3 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-08

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

08 Sep 2025 – 08 Sep 2026 · M ≥ 2.0 · 11,554 Catalogue entries

Of 11,553 other entries for this area and period, 2,192 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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