Back to map
M5.4 Depth: 10.0 km

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

UTC time: 2025-08-29 09:14:17 UTC Local time: —

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: 164 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

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

Map

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 (15.9 km)
Regional average: 15.9 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 km 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 km 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 km M0.72025-09-19 22:17:08 UTC6.9 km261 km W of Adak, Alaska

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#9
Earlier events M≥431
Earlier events M≥519
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 km 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.

Share