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M5.3 Earthquake near Rat Islands, Aleutian Islands

UTC time: 2025-08-28 11:07:50 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
150.1 km
Source
USP

Rat Islands, Aleutian Islands

Map

M5.3 Earthquake near Rat Islands, Aleutian Islands · 2025-08-28 — Map showing the location of the epicenter
M5.3 Earthquake near Rat Islands, Aleutian Islands · 2025-08-28 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.3 earthquake was recorded near Rat Islands, Aleutian Islands on August 28, 2025 at 11:07 UTC. At around 150 km, the focal depth places this among intermediate-depth events. Earthquakes of this magnitude can damage poorly built structures.

The data is provided by USP and cross-checked across seismological networks.

Details

ID
8a1e9319bdc7ad5c1df2a8e1bb3375c5345e6c2c
Magnitude
M5.3
Depth
150.1 km
UTC time
2025-08-28 11:07:50 UTC
Local time
—
Country
—
Source
usp
Coordinates
52.33086, 179.81644

Depth profile

Depth profile Depth: 150.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 150.1 km
Intermediate
150.1 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

  • Semisopochnoi
    Distance: 47 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Little Sitkin
    Distance: 97 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 109 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 120 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 153 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 265 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 hours6
First 72 hours6
Strongest subsequent eventM5.5
M5.22025-08-29 09:14:16 UTC90.2 kmAlaska M5.42025-08-29 09:14:17 UTC53.3 kmRat Islands, Aleutian Islands M5.52025-08-29 09:14:24 UTC81.1 km263 km W of Adak, Alaska M5.52025-08-29 09:14:25 UTC79.7 km264 km W of Adak, Alaska M5.52025-08-29 09:14:25 UTC72.8 kmRAT ISLANDS, ALEUTIAN ISLANDS M5.02025-08-29 09:14:26 UTC89.7 kmAlaska M5.02025-09-13 01:58:48 UTC68.6 kmRat Islands, Aleutian Islands M4.52025-09-13 01:58:55 UTC97.2 kmAlaska M4.52025-09-13 01:58:56 UTC92.3 kmRAT ISLANDS, ALEUTIAN ISLANDS M4.52025-09-16 19:10:30 UTC134.7 kmRat Islands, Aleutian Islands, Alaska M3.22025-09-17 01:13:38 UTC97.2 km230 km WSW of Adak, Alaska M3.02025-09-17 01:13:38 UTC90.1 kmANDREANOF ISLANDS, ALEUTIAN IS.

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#13
Earlier events M≥429
Earlier events M≥517
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 UTC15.7 kmRat Islands, Aleutian Islands M5.92025-08-28 11:07:48 UTC36.9 km241 km W of Adak, Alaska M5.92025-08-28 11:07:48 UTC13.6 kmRAT ISLANDS, ALEUTIAN ISLANDS M5.92025-08-28 11:07:48 UTC22.5 kmRat Islands M5.82025-08-28 11:07:47 UTC47.4 kmAlaska

Stats (last 24h)

Global (24h)
661
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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