M1.8 Depth: 9.0 km

M1.8 Earthquake near 23 km N of Spencer, Idaho (United States)

UTC time: 2025-09-04 14:08:37 UTC Local time: —

About this earthquake

A magnitude M1.8 earthquake was recorded near 23 km N of Spencer, Idaho (United States) on September 4, 2025 at 14:08 UTC. The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 232 earthquakes, the strongest at M3.5.

Details

Magnitude

M1.8

Depth

9.0 km

UTC time

2025-09-04 14:08:37 UTC

Local time

—

Country

United States

City

Montana

Source

usgs

Coordinates

44.57117, -112.21517

Temperature

19.0°C

Map

Depth profile

Shallow

9 km

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: 121 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
Craters of the Moon

Distance: 168 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
Wapi Lava Field

Distance: 204 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States
Black Butte Crater Lava Field

Distance: 231 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·United States
Jordan Craters

Distance: 449 km ·Volcanic field ·Elevation: 1'473 m ·Last eruption: -1250 ·United States

Historic earthquake map · United States

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Country statistics · United States

Country overview

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

Stats (last 24h)

Global (24h)

1038

Country (24h)