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United States · Idaho

M3.2 Earthquake near Custer County, Idaho (United States)

UTC time: 2026-09-12 01:52:48 UTC Local time: —

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About this earthquake

A magnitude M3.2 earthquake was recorded near Custer County, Idaho (United States) on September 12, 2026 at 01:52 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 187 earthquakes, the strongest at M5.3.

Details

ID
74a22726dc5c6d7b99fe6ad349829a0e88c71450
Magnitude
M3.2
Depth
10.0 km
UTC time
2026-09-12 01:52:48 UTC
Local time
—
Country
United States
State
Idaho
City
Custer County
County
Custer County
Source
usgs
Coordinates
44.34800, -115.17510
Temperature
8.8°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 km
10 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

  • Black Butte Crater Lava Field
    Distance: 145 km ·Shield ·Elevation: 1'478 m ·Last eruption: -8180 ·United States
  • Craters of the Moon
    Distance: 173 km ·Volcanic field ·Elevation: 2'005 m ·Last eruption: -130 ·United States
  • Wapi Lava Field
    Distance: 226 km ·Shield ·Elevation: 1'597 m ·Last eruption: -300 ·United States
  • Jordan Craters
    Distance: 227 km ·Volcanic field ·Elevation: 1'473 m ·Last eruption: -1250 ·United States
  • Hell's Half Acre
    Distance: 238 km ·Shield ·Elevation: 1'632 m ·Last eruption: -3250 ·United States
  • Diamond Craters
    Distance: 319 km ·Volcanic field ·Elevation: 1'435 m ·Last eruption: -5610 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Stanley AirportUnited States
    24.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-20

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

United States

Context for this earthquake

20 Sep 2025 – 20 Sep 2026 · M ≥ 3.0 · 1,426 Catalogue entries

Of 1,425 other entries for this area and period, 869 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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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