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United States · Alaska

M5.3 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-01-24 21:25:46 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.

Magnitude
M5.3
Depth
125.5 km
Source
RESIF

Alaska · Unorganized Borough

Country overview

Map

M5.3 Earthquake near Unorganized Borough, Alaska (United States) · 2026-01-24 — Map showing the location of the epicenter
M5.3 Earthquake near Unorganized Borough, Alaska (United States) · 2026-01-24 — Map showing the location of the epicenter

About this earthquake

On January 24, 2026 at 21:25 UTC, a magnitude M5.3 earthquake occurred near Unorganized Borough, Alaska (United States). The earthquake originated at an intermediate depth of about 125 km. Events of this size can cause damage near the epicenter.

The event was recorded by RESIF. United States: over the past 24 hours, QuakeMap24 logged 182 earthquakes, the strongest at M4.8.

Depth profile

Depth profile Depth: 125.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 125.5 km
Intermediate
125.5 km
125.5 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Great Sitkin WATCH · ORANGE
    Distance: 12 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States
  • Kasatochi
    Distance: 45 km ·Stratovolcano ·Elevation: 314 m ·Last eruption: 2008 ·United States
  • Moffett
    Distance: 47 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Koniuji
    Distance: 70 km ·Stratovolcano ·Elevation: 273 m ·Last eruption: -1150 ·United States
  • Kanaga
    Distance: 76 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Bobrof
    Distance: 94 km ·Stratovolcano ·Elevation: 738 m ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Adak AirportUnited States · ADK · PADK
    40.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-15

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

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours0
First 24 hours0
First 72 hours1
Strongest subsequent eventM5.3
M2.52026-01-26 22:50:06 UTC47.1 km64 km ESE of Adak, Alaska M2.62026-01-29 13:21:23 UTC62.9 km64 km SE of Adak, Alaska M5.22026-02-01 12:43:07 UTC37.1 kmAlaska M5.12026-02-01 12:43:08 UTC16.0 kmUnorganized Borough M3.12026-02-05 23:32:30 UTC127.7 kmAlaska M1.82026-02-07 00:27:13 UTC56.7 kmUnorganized Borough M5.32026-02-10 23:08:52 UTC27.6 kmAlaska M4.12026-02-12 01:15:07 UTC134.3 kmANDREANOF ISLANDS, ALEUTIAN IS. M3.92026-02-12 23:28:12 UTC78.0 kmANDREANOF ISLANDS, ALEUTIAN IS. M4.42026-02-13 03:19:42 UTC41.2 kmANDREANOF ISLANDS, ALEUTIAN IS. M4.62026-02-17 23:17:00 UTC33.5 kmAlaska

Comparison of seismic sources

3 sources currently report magnitudes from M5.3 to M5.4.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
USPM5.450.0 km18.9 km
NNSNM5.469.1 km9.6 km
RESIFM5.3125.5 km0.0 km

Alaska

Context for this earthquake

15 Sep 2025 – 15 Sep 2026 · M ≥ 3.0 · 655 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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#13
Earlier events M≥477
Earlier events M≥529
Compared since2025-01-02

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.22025-03-21 14:53:41 UTC90.9 km88 km SSE of Adak, Alaska M6.22025-03-21 14:53:43 UTC70.9 kmAndreanof Islands, Aleutian Islands M5.82025-11-23 08:21:45 UTC96.0 km65 km SSW of Adak, Alaska M5.82025-11-23 08:21:44 UTC96.4 kmAndreanof Islands, Aleutian Islands, United States [Sea: United States] M5.62025-03-22 09:49:21 UTC90.5 km87 km SSE of Adak, Alaska

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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