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M5.0 Earthquake near Rat Islands, Aleutian Islands, Alaska

UTC time: 2025-12-09 04:30:00 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
M5.0
Depth
5.0 km
Source
USGS

Rat Islands, Aleutian Islands, Alaska

Map

M5.0 Earthquake near Rat Islands, Aleutian Islands, Alaska · 2025-12-09 — Map showing the location of the epicenter
M5.0 Earthquake near Rat Islands, Aleutian Islands, Alaska · 2025-12-09 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.0 earthquake was recorded near Rat Islands, Aleutian Islands, Alaska on December 9, 2025 at 04:30 UTC. With a focal depth of about 5 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 USGS.

Details

ID
fd37bbcf9db981d04c28550d8b7434d43a2c4806
Magnitude
M5.0
Depth
5.0 km
UTC time
2025-12-09 04:30:00 UTC
Local time
—
Country
—
Source
usgs
Coordinates
51.23500, 178.62300
Temperature
3.5°C

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 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

  • Little Sitkin
    Distance: 80 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 84 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 93 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Semisopochnoi
    Distance: 102 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Kiska
    Distance: 119 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 224 km ·Stratovolcano ·Elevation: 656 m ·United States

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 hours0
Strongest subsequent eventM5.8
M5.82025-12-13 10:50:47 UTC71.1 kmRat Islands, Aleutian Islands M5.52025-12-13 10:50:48 UTC90.4 kmEvent of magnitude 5.5, near of Anchorage (Monde) M5.82025-12-13 10:50:49 UTC92.0 kmRat Islands, Aleutian Islands M5.52025-12-13 10:50:59 UTC79.1 km###.# km ( ###.# mi) NW (az= 307.8) from Wendover, UT M5.52025-12-13 10:51:00 UTC79.1 kmRat Islands, Aleutian Islands, Alaska M5.52025-12-13 10:51:00 UTC88.9 kmRAT ISLANDS, ALEUTIAN ISLANDS M4.92026-01-06 10:57:15 UTC109.2 kmRat Islands, Aleutian Islands M4.82026-01-06 10:57:17 UTC122.0 kmRat Islands, Aleutian Islands, Alaska M4.82026-01-06 10:57:17 UTC124.8 kmRAT ISLANDS, ALEUTIAN ISLANDS

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#26
Earlier events M≥452
Earlier events M≥531
Compared since2025-01-30

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

Strongest earlier events

M6.12025-08-28 11:07:35 UTC134.5 kmRat Islands, Aleutian Islands M5.92025-08-28 11:07:50 UTC132.2 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.92025-08-28 11:07:48 UTC120.6 km241 km W of Adak, Alaska M5.92025-08-28 11:07:48 UTC140.5 kmRAT ISLANDS, ALEUTIAN ISLANDS M5.92025-08-28 11:07:48 UTC130.6 kmRat Islands

Stats (last 24h)

Global (24h)
673
Country (24h)
—
—
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No recent events available.

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