M3.9 Depth: 9.9 km

M3.9 Earthquake near WESTERN MONTANA (United States)

UTC time: 2025-09-08 06:58:59 UTC Local time:

About this earthquake

A magnitude M3.9 earthquake was recorded near WESTERN MONTANA (United States) on September 8, 2025 at 06:58 UTC. 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: over the past 24 hours, QuakeMap24 logged 187 earthquakes, the strongest at M4.8.

Details

Magnitude
M3.9
Depth
9.9 km
UTC time
2025-09-08 06:58:59 UTC
Local time
Country
City
Source
emsc
Coordinates
44.53990, -112.24770
Temperature
8.0°C

Map

Depth profile

Depth profile Depth: 9.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 9.9 km
Shallow
9.9 km
9.9 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: 118 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Craters of the Moon
    Distance: 164 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Wapi Lava Field
    Distance: 200 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States
  • Black Butte Crater Lava Field
    Distance: 226 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·United States
  • Jordan Craters
    Distance: 446 km ·Volcanic field ·Elevation: 1'473 m ·Last eruption: -1250 ·United States

Historic earthquake map · United States

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

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

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