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M1.0 Depth: -2.0 km

M1.0 Earthquake near Madison County, Montana (United States)

UTC time: 2026-07-27 20:17:19 UTC Local time: —

About this earthquake

A magnitude M1.0 earthquake was recorded near Madison County, Montana (United States) on July 27, 2026 at 20:17 UTC. 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 147 earthquakes, the strongest at M3.5.

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Depth profile

Depth profile Depth: -2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km -2 km
Shallow
-2 km
0 km — shallower than the regional average (15.5 km)
Regional average: 15.5 km
Negative depth = focus above sea level (terrain elevation).
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: 193 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Craters of the Moon
    Distance: 227 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Wapi Lava Field
    Distance: 270 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States
  • Black Butte Crater Lava Field
    Distance: 279 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·United States
  • Jordan Craters
    Distance: 471 km ·Volcanic field ·Elevation: 1'473 m ·Last eruption: -1250 ·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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