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United States · Montana

M0.4 Earthquake near Gallatin County, Montana (United States)

UTC time: 2026-09-22 15:09:35 UTC Local time: —

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About this earthquake

On September 22, 2026 at 15:09 UTC, a magnitude M0.4 earthquake occurred near Gallatin County, Montana (United States). The hypocenter lay relatively close to the surface at around 7 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

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 M4.0.

Details

ID
8f873ee7b0362f4c46f31ae958a0d8cc7e10cbe4
Magnitude
M0.4
Depth
6.9 km
UTC time
2026-09-22 15:09:35 UTC
Local time
—
Country
United States
State
Montana
City
Gallatin County
County
Gallatin County
Source
usgs
Coordinates
44.76633, -111.12233
Temperature
13.3°C

Depth profile

Depth profile Depth: 6.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 6.9 km
Shallow
6.9 km
6.9 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: 177 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Craters of the Moon
    Distance: 245 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Wapi Lava Field
    Distance: 268 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States
  • Black Butte Crater Lava Field
    Distance: 313 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
    8.7 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-22

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

22 Sep 2025 – 22 Sep 2026 · M ≥ 2.0 · 11,728 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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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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