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M5.9 Depth: 18.0 km

M5.9 Earthquake near Fox Islands, Aleutian Islands, United States [Sea: United States]

UTC time: 2025-09-03 20:57:50 UTC Local time: —

About this earthquake

A magnitude M5.9 earthquake was recorded near Fox Islands, Aleutian Islands, United States [Sea: United States] on September 3, 2025 at 20:57 UTC. The hypocenter lay relatively close to the surface at around 18 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by INGV.

Details

Magnitude
M5.9
Depth
18.0 km
UTC time
2025-09-03 20:57:50 UTC
Local time
—
Country
—
Source
ingv
Coordinates
52.19300, -169.58400
Temperature
11.4°C

Map

Depth profile

Depth profile Depth: 18 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18 km
Shallow
18 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

  • Herbert
    Distance: 71 km ·Stratovolcano ·Elevation: 1'280 m ·United States
  • Tana
    Distance: 72 km ·Stratovolcano(es) ·Elevation: 1'170 m ·United States
  • Cleveland
    Distance: 74 km ·Stratovolcano ·Elevation: 1'730 m ·Last eruption: 2020 ·United States
  • Carlisle
    Distance: 84 km ·Stratovolcano ·Elevation: 1'620 m ·Last eruption: 1828 ·United States
  • Yunaska
    Distance: 87 km ·Shield ·Elevation: 550 m ·Last eruption: 1937 ·United States
  • Kagamil
    Distance: 87 km ·Stratovolcano ·Elevation: 893 m ·Last eruption: 1929 ·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 hours13
First 72 hours18
Strongest subsequent eventM5.8
M5.82025-09-03 20:57:51 UTC114.9 kmFox Islands, Aleutian Islands M5.82025-09-03 20:57:52 UTC4.0 km96 km SSW of Nikolski, Alaska M4.92025-09-04 00:29:40 UTC18.6 kmFox Islands, Aleutian Islands M4.42025-09-04 00:29:45 UTC20.7 km77 km SW of Nikolski, Alaska M5.42025-09-04 19:01:10 UTC6.3 km M5.12025-09-04 19:01:11 UTC6.4 km91 km SSW of Nikolski, Alaska M5.12025-09-04 19:01:11 UTC1.3 kmFox Islands, Aleutian Islands M5.22025-09-04 19:01:12 UTC35.6 kmFox Islands, Aleutian Islands M5.12025-09-04 19:01:15 UTC19.9 km99 km SSW of Nikolski, Alaska M5.12025-09-04 19:54:23 UTC11.5 kmFOX ISLANDS, ALEUTIAN ISLANDS M5.22025-09-04 19:54:24 UTC26.4 kmFox Islands, Aleutian Islands M5.02025-09-04 19:54:24 UTC31.6 kmEvent of magnitude 5.0, near of Anchorage (Monde)

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#2
Earlier events M≥432
Earlier events M≥59
Compared since2025-01-13

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

M6.02025-09-03 20:57:47 UTC16.9 km87 km SW of Nikolski, Alaska M5.82025-09-03 20:57:48 UTC22.2 kmFox Islands, Aleutian Islands M5.72025-09-03 20:57:48 UTC24.3 kmEvent of magnitude 5.7, near of Anchorage (Monde) M5.52025-08-14 18:00:58 UTC46.3 kmFox Islands, Aleutian Islands M5.52025-06-28 06:08:20 UTC107.2 kmFox Islands, Aleutian Islands

Stats (last 24h)

Global (24h)
612
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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