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United States

M4.1 Earthquake near 25 km SSW of Susitna, Alaska (United States)

UTC time: 2025-02-05 08:07:09 UTC Local time: —

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About this earthquake

A magnitude M4.1 earthquake was recorded near 25 km SSW of Susitna, Alaska (United States) on February 5, 2025 at 08:07 UTC. The hypocenter lay relatively close to the surface at around 5 km, increasing how strongly it was felt. Tremors of this size are distinctly felt and can occasionally cause light damage.

The event was recorded by USGS. United States: 148 earthquakes were recorded in the past 24 hours, the strongest reaching M4.0.

Details

ID
a654bf59aec7ce140152abdcd9c8916dfc866789
Magnitude
M4.1
Depth
5.1 km
UTC time
2025-02-05 08:07:09 UTC
Local time
—
Country
United States
Source
usgs
Coordinates
61.34070, -150.72240
Temperature
9.9°C

Depth profile

Depth profile Depth: 5.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5.1 km
Shallow
5.1 km
5.1 km — shallower than the regional average (15.3 km)
Regional average: 15.3 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

  • Spurr
    Distance: 82 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 96 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 145 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 194 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 266 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 317 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Ted Stevens Anchorage International AirportUnited States · ANC · PANC
    43.0 kmStraight-line distance
  • Merrill FieldUnited States · MRI · PAMR
    49.0 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-06

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

06 Sep 2025 – 06 Sep 2026 · M ≥ 3.0 · 1,427 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

Open seismic profile

Historic earthquake map · United States

Open history map
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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