M5.4 Earthquake near Unimak Island region

UTC time: 2026-04-25 08:05:56 UTC Local time: —

Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis. How our reports are produced ↗

Magnitude

M5.4

Depth: 35.0 km
Source: ISC

Unimak Island region

Map

About this earthquake

On April 25, 2026 at 08:05 UTC, a magnitude M5.4 earthquake occurred near Unimak Island region. The hypocenter lay relatively close to the surface at around 35 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The event was recorded by ISC.

Details

1d0b6292e40309be8399e3107f2bac413abe9d2f

Magnitude

M5.4

Depth

35.0 km

UTC time

2026-04-25 08:05:56 UTC

Local time

—

Country

—

Source

isc

Coordinates

53.58800, -164.91400

Temperature

3.0°C

Depth profile

Shallow

35 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

Akutan

Distance: 93 km ·Stratovolcano ·Elevation: 1'303 m ·Last eruption: 1992 ·United States
Westdahl

Distance: 105 km ·Stratovolcano? ·Elevation: 1'563 m ·Last eruption: 1992 ·United States
Fisher

Distance: 122 km ·Stratovolcano ·Elevation: 1'112 m ·Last eruption: 1830 ·United States
Makushin

Distance: 136 km ·Stratovolcano ·Elevation: 1'800 m ·Last eruption: 1995 ·United States
Shishaldin ADVISORY · YELLOW

Distance: 144 km ·Stratovolcano ·Elevation: 2'857 m ·Last eruption: 2023 ·United States
Roundtop

Distance: 160 km ·Stratovolcano ·Elevation: 1'871 m ·Last eruption: -7600 ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

Akutan AirportUnited States · KQA · PAUT
76.7 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

Subsequent earthquakes nearby

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

First 6 hours6

First 24 hours9

First 72 hours9

Strongest subsequent eventM5.1

M3.52026-04-25 08:11:09 UTC5.6 kmUnimak Island region M3.42026-04-25 08:11:10 UTC10.2 km80 km SE of Akutan, Alaska M3.52026-04-25 08:26:39 UTC8.5 kmUnimak Island region M3.52026-04-25 08:26:41 UTC4.8 km86 km SE of Akutan, Alaska M3.62026-04-25 08:43:47 UTC9.4 kmUnimak Island region M3.32026-04-25 11:19:40 UTC4.0 kmUNIMAK ISLAND REGION, ALASKA M3.92026-04-26 03:31:11 UTC10.1 kmUNIMAK ISLAND REGION, ALASKA M3.82026-04-26 03:31:15 UTC14.5 km75 km SE of Akutan, Alaska M4.62026-04-26 04:26:59 UTC15.3 kmUNIMAK ISLAND REGION, ALASKA M4.62026-05-03 19:20:10 UTC146.2 kmAlaska M4.62026-05-03 19:20:10 UTC145.6 kmAlaska M3.52026-05-04 17:29:00 UTC55.4 kmUnimak Island region

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#3

Earlier events M≥448

Earlier events M≥521

Compared since2025-01-02

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

Strongest earlier events

M5.52025-07-27 22:46:57 UTC117.2 kmFox Islands, Aleutian Islands M5.52025-10-17 15:48:39 UTC56.9 kmFox Islands, Aleutian Islands M5.42025-07-27 22:47:05 UTC111.5 kmFOX ISLANDS, ALEUTIAN ISLANDS M5.32026-04-25 08:05:51 UTC34.5 kmUnimak Island Region, Alaska M5.32026-04-25 08:05:46 UTC97.0 kmFox Islands, Aleutian Islands

Stats (last 24h)

Global (24h)

510

Country (24h)

—

Current earthquakes in

Magnitude Place Local time

No recent events available.