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M5.9 Earthquake near RAT ISLANDS, ALEUTIAN ISLANDS

UTC time: 2025-08-28 11:07:48 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
M5.9
Depth
130.0 km
Source
EMSC

RAT ISLANDS, ALEUTIAN ISLANDS

Map

M5.9 Earthquake near RAT ISLANDS, ALEUTIAN ISLANDS · 2025-08-28 — Map showing the location of the epicenter
M5.9 Earthquake near RAT ISLANDS, ALEUTIAN ISLANDS · 2025-08-28 — Map showing the location of the epicenter

About this earthquake

On August 28, 2025 at 11:07 UTC, a magnitude M5.9 earthquake occurred near RAT ISLANDS, ALEUTIAN ISLANDS. The earthquake originated at an intermediate depth of about 130 km. Events of this size can cause damage near the epicenter.

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

Details

ID
748056e33f5d7d796e43a4688b7be3bfa284044d
Magnitude
M5.9
Depth
130.0 km
UTC time
2025-08-28 11:07:48 UTC
Local time
—
Country
—
Source
emsc
Coordinates
52.22000, 179.90000
Temperature
8.6°C

Depth profile

Depth profile Depth: 130 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 130 km
Intermediate
130 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: 39 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: 111 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 123 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 157 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 272 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 hours10
First 72 hours10
Strongest subsequent eventM5.9
M5.52025-08-28 11:07:49 UTC33.7 kmAlaska M5.72025-08-28 11:07:50 UTC9.6 kmEvent of magnitude 5.7, near of Anchorage (Monde) M5.92025-08-28 11:07:50 UTC17.2 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.32025-08-28 11:07:50 UTC13.6 kmRat Islands, Aleutian Islands M5.22025-08-29 09:14:16 UTC79.4 kmAlaska M5.42025-08-29 09:14:17 UTC44.7 kmRat Islands, Aleutian Islands M5.52025-08-29 09:14:24 UTC70.6 km263 km W of Adak, Alaska M5.52025-08-29 09:14:25 UTC69.5 km264 km W of Adak, Alaska M5.52025-08-29 09:14:25 UTC62.6 kmRAT ISLANDS, ALEUTIAN ISLANDS M5.02025-08-29 09:14:26 UTC79.1 kmAlaska M5.02025-09-13 01:58:48 UTC59.1 kmRat Islands, Aleutian Islands M4.52025-09-13 01:58:55 UTC86.1 kmAlaska

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#2
Earlier events M≥424
Earlier events M≥512
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 UTC6.4 kmRat Islands, Aleutian Islands M5.82025-08-28 11:07:47 UTC34.7 kmAlaska M5.42025-07-26 05:03:54 UTC112.6 kmRAT ISLANDS, ALEUTIAN ISLANDS M5.42025-07-26 05:03:53 UTC117.7 kmRat Islands, Aleutian Islands, Alaska M5.32025-07-26 23:09:39 UTC112.9 kmRat Islands, Aleutian Islands, Alaska

Stats (last 24h)

Global (24h)
662
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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