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M5.5 Depth: 10.0 km

M5.5 Earthquake near Fox Islands, Aleutian Islands

UTC time: 2025-10-17 15:48:39 UTC Local time: —
M5.5 earthquake near Fox Islands, Aleutian Islands on Oct 17, 2025 — map of epicenter and shaking intensity | QuakeMap24
M5.5 Earthquake near Fox Islands, Aleutian Islands · 2025-10-17 15:48:39 UTC

About this earthquake

On October 17, 2025 at 15:48 UTC, a magnitude M5.5 earthquake occurred near Fox Islands, Aleutian Islands. The hypocenter lay relatively close to the surface at around 10 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

The event was recorded by USP.

Details

Magnitude
M5.5
Depth
10.0 km
UTC time
2025-10-17 15:48:39 UTC
Local time
—
Country
—
Source
usp
Coordinates
53.46963, -165.75102

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
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

  • Akutan
    Distance: 75 km ·Stratovolcano ·Elevation: 1'303 m ·Last eruption: 1992 ·United States
  • Makushin
    Distance: 90 km ·Stratovolcano ·Elevation: 1'800 m ·Last eruption: 1995 ·United States
  • Westdahl
    Distance: 137 km ·Stratovolcano? ·Elevation: 1'563 m ·Last eruption: 1992 ·United States
  • Fisher
    Distance: 157 km ·Stratovolcano ·Elevation: 1'112 m ·Last eruption: 1830 ·United States
  • Okmok
    Distance: 158 km ·Shield ·Elevation: 1'073 m ·Last eruption: 2008 ·United States
  • Bogoslof
    Distance: 159 km ·Stratovolcano ·Elevation: 150 m ·Last eruption: 2017 ·United States

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours5
First 24 hours5
First 72 hours5
Strongest subsequent eventM5.3
M5.32025-10-17 15:48:41 UTC31.9 kmEvent of magnitude 5.3, near of Anchorage (Monde) M5.02025-10-17 15:48:48 UTC18.9 km79 km SSE of Akutan, Alaska M5.02025-10-17 15:48:48 UTC29.8 kmFox Islands, Aleutian Islands M5.02025-10-17 15:48:48 UTC16.1 km82 km SSE of Akutan, Alaska M5.12025-10-17 15:48:49 UTC11.9 km62 km S of Akutan, Alaska

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#4
Earlier events M≥428
Earlier events M≥511
Compared since2025-01-02

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

Strongest earlier events

M5.62025-01-26 22:39:15 UTC111.9 km M5.62025-01-26 22:39:13 UTC100.6 km86 km SSW of Unalaska, Alaska M5.52025-07-27 22:46:57 UTC75.8 kmFox Islands, Aleutian Islands M5.42025-07-27 22:47:05 UTC73.8 kmFOX ISLANDS, ALEUTIAN ISLANDS M5.32025-07-27 22:47:05 UTC39.8 km29 km ESE of Unalaska, Alaska

Stats (last 24h)

Global (24h)
491
Country (24h)
—
—
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