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M4.6 Earthquake near 114 km E of Chignik, Alaska (United States)

UTC time: 2025-09-24 07:05:05 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.

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About this earthquake

A magnitude M4.6 earthquake was recorded near 114 km E of Chignik, Alaska (United States) on September 24, 2025 at 07:05 UTC. The hypocenter lay relatively close to the surface at around 45 km, increasing how strongly it was felt. Earthquakes of this magnitude are clearly felt; minor damage to vulnerable buildings is possible.

The data is provided by USGS and cross-checked across seismological networks. United States: over the past 24 hours, QuakeMap24 logged 186 earthquakes, the strongest at M4.5.

Details

ID
e1b853ebd8aeac5f3599008ee5417736a1d6aeab
Magnitude
M4.6
Depth
44.5 km
UTC time
2025-09-24 07:05:05 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
56.35400, -156.56190
Temperature
11.4°C

Depth profile

Depth profile Depth: 44.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 44.5 km
Shallow
44.5 km
44.5 km — deeper 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

  • Yantarni
    Distance: 83 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Chiginagak
    Distance: 91 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Kialagvik
    Distance: 95 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Aniakchak
    Distance: 114 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States
  • Black Peak
    Distance: 138 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Ugashik-Peulik
    Distance: 156 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States

Alaska

Context for this earthquake

05 Oct 2025 – 05 Oct 2026 · M ≥ 3.0 · 653 Catalogue entries

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

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Historic earthquake map · United States

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Country statistics · United States

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