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M5.1 Earthquake near UNIMAK ISLAND REGION, ALASKA

UTC time: 2025-05-31 22:41:03 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
M5.1
Depth
10.0 km
Source
EMSC

UNIMAK ISLAND REGION, ALASKA

Map

M5.1 Earthquake near UNIMAK ISLAND REGION, ALASKA · 2025-05-31 — Map showing the location of the epicenter
M5.1 Earthquake near UNIMAK ISLAND REGION, ALASKA · 2025-05-31 — Map showing the location of the epicenter

About this earthquake

On May 31, 2025 at 22:41 UTC, a magnitude M5.1 earthquake occurred near UNIMAK ISLAND REGION, ALASKA. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by EMSC.

Details

ID
09f754cebde49234ca84c707506363699b385bf2
Magnitude
M5.1
Depth
10.0 km
UTC time
2025-05-31 22:41:03 UTC
Local time
—
Country
—
Source
emsc
Coordinates
53.55000, -163.17000
Temperature
7.8°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
Why depth matters

Shallow quakes release energy near the surface — shaking is felt more strongly and damage potential is higher.

Depth classes per USGS

Nearby population centers

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

PlaceDistanceDirectionPopulation
Anchorage1161.8 kmNE289'600

GeoNames · CC BY 4.0

Volcanoes nearby

  • Roundtop
    Distance: 142 km ·Stratovolcano ·Elevation: 1'871 m ·Last eruption: -7600 ·United States
  • Shishaldin ADVISORY · YELLOW
    Distance: 144 km ·Stratovolcano ·Elevation: 2'857 m ·Last eruption: 2023 ·United States
  • Westdahl
    Distance: 144 km ·Stratovolcano? ·Elevation: 1'563 m ·Last eruption: 1992 ·United States
  • Fisher
    Distance: 147 km ·Stratovolcano ·Elevation: 1'112 m ·Last eruption: 1830 ·United States
  • Frosty
    Distance: 170 km ·Stratovolcano(es) ·Elevation: 1'728 m ·United States
  • Dutton
    Distance: 191 km ·Stratovolcano ·Elevation: 1'465 m ·United States

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≥416
Earlier events M≥55
Compared since2025-01-02

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

Strongest earlier events

M5.32025-05-23 02:30:40 UTC91.9 km M5.22025-05-23 02:30:40 UTC91.8 kmUNIMAK ISLAND REGION, ALASKA M5.12025-05-23 02:30:42 UTC93.4 kmUnimak Island Region, Alaska M5.02025-05-19 15:06:32 UTC131.3 kmAlaska Peninsula M5.02025-02-04 19:27:46 UTC57.1 km151 km SE of Akutan, Alaska

Stats (last 24h)

Global (24h)
569
Country (24h)
—
—
Current earthquakes in
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