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M5.3 Depth: 150.1 km

M5.3 Earthquake near Rat Islands, Aleutian Islands

UTC time: 2025-08-28 11:07:50 UTC Local time: —

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

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

Map

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 km 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 km 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 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#12
Earlier events M≥428
Earlier events M≥516
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 km 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)
668
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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