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M5.7 Earthquake near Andreanof Islands, Aleutian Islands, United States [Sea: United States]

UTC time: 2025-09-21 09:30:33 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
M5.7
Depth
60.9 km
Source
INGV

Andreanof Islands, Aleutian Islands, United States [Sea: United States]

Map

M5.7 Earthquake near Andreanof Islands, Aleutian Islands, United States [Sea: United States] · 2025-09-21 — Map showing the location of the epicenter
M5.7 Earthquake near Andreanof Islands, Aleutian Islands, United States [Sea: United States] · 2025-09-21 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.7 earthquake was recorded near Andreanof Islands, Aleutian Islands, United States [Sea: United States] on September 21, 2025 at 09:30 UTC. The hypocenter lay relatively close to the surface at around 61 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

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

Details

ID
faf6dac0fef5e95532e1a03d6e71c3c2c882b399
Magnitude
M5.7
Depth
60.9 km
UTC time
2025-09-21 09:30:33 UTC
Local time
—
Country
—
Source
ingv
Coordinates
51.28590, -177.99400
Temperature
7.8°C

Depth profile

Depth profile Depth: 60.9 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 60.9 km
Shallow
60.9 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

  • Takawangha
    Distance: 65 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Tanaga
    Distance: 67 km ·Stratovolcano(es) ·Elevation: 1'806 m ·Last eruption: 1914 ·United States
  • Gareloi ADVISORY · YELLOW
    Distance: 79 km ·Stratovolcano ·Elevation: 1'573 m ·Last eruption: 1989 ·United States
  • Bobrof
    Distance: 79 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Kanaga
    Distance: 91 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Moffett
    Distance: 113 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·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 hours0
First 72 hours0
Strongest subsequent eventM5.2
M3.62025-09-24 21:21:20 UTC136.8 km89 km SSE of Adak, Alaska M3.42025-09-28 20:31:17 UTC83.7 km100 km S of Adak, Alaska M2.92025-10-04 18:45:13 UTC133.9 km244 km WSW of Adak, Alaska M4.02025-10-05 01:51:45 UTC106.3 kmANDREANOF ISLANDS, ALEUTIAN IS. M4.32025-10-05 01:51:46 UTC108.9 km200 km W of Adak, Alaska M5.02025-10-11 13:51:15 UTC120.3 kmAndreanof Islands, Aleutian Islands M5.22025-10-11 13:51:17 UTC137.6 km M4.52025-10-11 13:51:18 UTC133.0 kmANDREANOF ISLANDS, ALEUTIAN IS. M5.02025-10-20 18:45:26 UTC69.4 kmANDREANOF ISLANDS, ALEUTIAN IS. M5.02025-10-20 18:45:29 UTC62.7 kmAndreanof Islands, Aleutian Islands

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#3
Earlier events M≥458
Earlier events M≥525
Compared since2025-01-02

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

Strongest earlier events

M6.22025-03-21 14:53:41 UTC134.7 km88 km SSE of Adak, Alaska M6.22025-03-21 14:53:43 UTC125.1 kmAndreanof Islands, Aleutian Islands M5.62025-09-21 09:30:27 UTC12.5 km123 km SW of Adak, Alaska M5.62025-03-22 09:49:21 UTC131.7 km87 km SSE of Adak, Alaska M5.62025-03-20 04:28:54 UTC137.4 km

Stats (last 24h)

Global (24h)
484
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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