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M1.3 Depth: 11.4 km

M1.3 Earthquake near 26 km W of Hebgen Lake Estates, Montana (United States)

UTC time: 2025-09-18 18:56:29 UTC Local time: —

About this earthquake

On September 18, 2025 at 18:56 UTC, a magnitude M1.3 earthquake occurred near 26 km W of Hebgen Lake Estates, Montana (United States). The hypocenter lay relatively close to the surface at around 11 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 176 earthquakes, the strongest at M3.7.

Details

Magnitude
M1.3
Depth
11.4 km
UTC time
2025-09-18 18:56:29 UTC
Local time
—
Country
United States
City
Montana
Source
usgs
Coordinates
44.81267, -111.52450
Temperature
17.5°C

Map

Depth profile

Depth profile Depth: 11.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.4 km
Shallow
11.4 km
11.4 km — shallower than the regional average (15.4 km)
Regional average: 15.4 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: 164 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Craters of the Moon
    Distance: 225 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Wapi Lava Field
    Distance: 254 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States
  • Black Butte Crater Lava Field
    Distance: 290 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·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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