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M2.9 Depth: 12.7 km

M2.9 Earthquake near Jefferson County, Montana (United States)

UTC time: 2026-04-27 03:32:34 UTC Local time: —

About this earthquake

On April 27, 2026 at 03:32 UTC, a magnitude M2.9 earthquake occurred near Jefferson County, Montana (United States). With a focal depth of about 13 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by EMSC. United States: 197 earthquakes were recorded in the past 24 hours, the strongest reaching M5.8.

Map

Depth profile

Depth profile Depth: 12.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 12.7 km
Shallow
12.7 km
12.7 km — close to the regional average (15.9 km)
Regional average: 15.9 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: 277 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Craters of the Moon
    Distance: 305 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Black Butte Crater Lava Field
    Distance: 351 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·United States
  • Wapi Lava Field
    Distance: 352 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·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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