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M5.0 Depth: 35.0 km

M5.0 Earthquake near ANDREANOF ISLANDS, ALEUTIAN IS.

UTC time: 2025-10-20 18:45:26 UTC Local time: —

About this earthquake

A magnitude M5.0 earthquake was recorded near ANDREANOF ISLANDS, ALEUTIAN IS. on October 20, 2025 at 18:45 UTC. With a focal depth of about 35 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

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

Details

Magnitude
M5.0
Depth
35.0 km
UTC time
2025-10-20 18:45:26 UTC
Local time
—
Country
—
Source
emsc
Coordinates
51.27600, -176.99610
Temperature
6.9°C

Map

Depth profile

Depth profile Depth: 35 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35 km
Shallow
35 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

  • Kanaga
    Distance: 73 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Moffett
    Distance: 76 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Bobrof
    Distance: 77 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Takawangha
    Distance: 96 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Tanaga
    Distance: 104 km ·Stratovolcano(es) ·Elevation: 1'806 m ·Last eruption: 1914 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 107 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States

Subsequent earthquakes nearby

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

First 6 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM5.1
M5.02025-10-20 18:45:29 UTC23.8 kmAndreanof Islands, Aleutian Islands M0.82025-10-24 17:47:02 UTC136.7 km149 km W of Adak, Alaska M5.02025-10-25 10:13:06 UTC66.8 km M5.12025-10-25 10:13:10 UTC64.7 kmAndreanof Islands, Aleutian Islands M3.52025-10-26 06:36:45 UTC68.9 km M3.82025-10-26 06:36:46 UTC69.8 km116 km SW of Adak, Alaska

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#16
Earlier events M≥455
Earlier events M≥521
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 UTC65.9 km88 km SSE of Adak, Alaska M5.92025-03-21 14:58:28 UTC63.8 km84 km SSE of Adak, Alaska M5.72025-09-21 09:30:33 UTC69.4 kmAndreanof Islands, Aleutian Islands, United States [Sea: United States] M5.62025-09-21 09:30:27 UTC71.4 km123 km SW of Adak, Alaska M5.62025-03-22 09:49:21 UTC62.8 km87 km SSE of Adak, Alaska

Stats (last 24h)

Global (24h)
658
Country (24h)
—
—
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