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United States · Montana

M5.4 Earthquake near Blaine County, Montana (United States)

UTC time: 2026-06-17 06:34:17 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Map

M5.4 Earthquake near Blaine County, Montana (United States) · 2026-06-17 — Map showing the location of the epicenter
M5.4 Earthquake near Blaine County, Montana (United States) · 2026-06-17 — Map showing the location of the epicenter

About this earthquake

On June 17, 2026 at 06:34 UTC, a magnitude M5.4 earthquake occurred near Blaine County, Montana (United States). The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by RESIF and cross-checked across seismological networks. United States: 172 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
f32a5ae4c3de3f6964bbd6702ec723fbfc84cfd3
Magnitude
M5.4
Depth
10.0 km
UTC time
2026-06-17 06:34:17 UTC
Local time
—
Country
United States
State
Montana
City
Blaine County
County
Blaine County
Source
resif
Coordinates
48.79850, -109.34177
Temperature
10.6°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

Tectonic context

Located on the North America Plate.
Near the boundary Juan de Fuca ↔ North America · about 1252 km away

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation
Medicine Hat168.4 kmNW63'138
Lethbridge271.5 kmNW103'197
Calgary421.8 kmNW1'306'784

GeoNames · CC BY 4.0

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Havre City County AirportUnited States · HVR · KHVR
    42.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-22

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

22 Sep 2025 – 22 Sep 2026 · M ≥ 3.0 · 1,421 Catalogue entries

Of 1,420 other entries for this area and period, 27 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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