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M5.4 Earthquake near Rat Islands, Aleutian Islands (United States)

UTC time: 2025-08-29 09:14:17 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.

Map

M5.4 Earthquake near Rat Islands, Aleutian Islands (United States) · 2025-08-29 — Map showing the location of the epicenter
M5.4 Earthquake near Rat Islands, Aleutian Islands (United States) · 2025-08-29 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.4 earthquake was recorded near Rat Islands, Aleutian Islands (United States) on August 29, 2025 at 09:14 UTC. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by GFZ. United States: 186 earthquakes were recorded in the past 24 hours, the strongest reaching M3.0.

Details

ID
6a2c00aa279177715c556066e14ee10eb777befc
Magnitude
M5.4
Depth
10.0 km
UTC time
2025-08-29 09:14:17 UTC
Local time
—
Country
United States
City
Alaska
Source
gfz
Coordinates
51.88000, 179.55000
Temperature
12.5°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
10 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

  • Semisopochnoi
    Distance: 6 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Little Sitkin
    Distance: 70 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 84 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 98 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 136 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 254 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 hours4
First 24 hours4
First 72 hours4
Strongest subsequent eventM5.5
M5.52025-08-29 09:14:24 UTC29.4 km263 km W of Adak, Alaska M5.52025-08-29 09:14:25 UTC27.6 km264 km W of Adak, Alaska M5.52025-08-29 09:14:25 UTC20.8 kmRAT ISLANDS, ALEUTIAN ISLANDS M5.02025-08-29 09:14:26 UTC38.1 kmAlaska M5.02025-09-13 01:58:48 UTC15.6 kmRat Islands, Aleutian Islands M4.52025-09-13 01:58:55 UTC46.4 kmAlaska M4.52025-09-13 01:58:56 UTC42.0 kmRAT ISLANDS, ALEUTIAN ISLANDS M4.52025-09-16 19:10:30 UTC97.8 kmRat Islands, Aleutian Islands, Alaska M3.22025-09-17 01:13:38 UTC58.8 km230 km WSW of Adak, Alaska M3.02025-09-17 01:13:38 UTC53.5 kmANDREANOF ISLANDS, ALEUTIAN IS. M0.72025-09-19 22:17:08 UTC6.9 km261 km W of Adak, Alaska

Alaska

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 3.0 · 653 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#11
Earlier events M≥434
Earlier events M≥522
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 UTC39.1 kmRat Islands, Aleutian Islands M5.92025-08-28 11:07:50 UTC36.5 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.92025-08-28 11:07:48 UTC25.1 km241 km W of Adak, Alaska M5.92025-08-28 11:07:48 UTC44.7 kmRAT ISLANDS, ALEUTIAN ISLANDS M5.92025-08-28 11:07:48 UTC34.6 kmRat Islands

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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