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M5.1 Depth: 10.0 km

M5.1 Earthquake near Unimak Island Region, Alaska

UTC time: 2025-05-23 02:30:42 UTC Local time: —
M5.1 earthquake near Unimak Island Region, Alaska on May 23, 2025 — map of epicenter and shaking intensity | QuakeMap24
M5.1 Earthquake near Unimak Island Region, Alaska · 2025-05-23 02:30:42 UTC

About this earthquake

A magnitude M5.1 earthquake was recorded near Unimak Island Region, Alaska on May 23, 2025 at 02:30 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

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

Details

Magnitude
M5.1
Depth
10.0 km
UTC time
2025-05-23 02:30:42 UTC
Local time
—
Country
—
Source
gfz
Coordinates
53.62000, -164.58000
Temperature
5.3°C

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

  • Westdahl
    Distance: 100 km ·Stratovolcano? ·Elevation: 1'563 m ·Last eruption: 1992 ·United States
  • Akutan
    Distance: 108 km ·Stratovolcano ·Elevation: 1'303 m ·Last eruption: 1992 ·United States
  • Fisher
    Distance: 115 km ·Stratovolcano ·Elevation: 1'112 m ·Last eruption: 1830 ·United States
  • Shishaldin ADVISORY · YELLOW
    Distance: 132 km ·Stratovolcano ·Elevation: 2'857 m ·Last eruption: 2023 ·United States
  • Roundtop
    Distance: 146 km ·Stratovolcano ·Elevation: 1'871 m ·Last eruption: -7600 ·United States
  • Makushin
    Distance: 157 km ·Stratovolcano ·Elevation: 1'800 m ·Last eruption: 1995 ·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 hours2
First 72 hours2
Strongest subsequent eventM5.1
M4.92025-05-23 11:54:35 UTC11.6 kmUnimak Island Region, Alaska M4.62025-05-23 11:54:38 UTC19.1 kmUNIMAK ISLAND REGION, ALASKA M4.22025-05-30 13:51:21 UTC120.3 kmUNIMAK ISLAND REGION, ALASKA M1.62025-05-30 19:23:08 UTC128.9 km37 km S of False Pass, Alaska M5.12025-05-31 22:41:03 UTC93.4 kmUNIMAK ISLAND REGION, ALASKA M3.62025-06-10 09:29:36 UTC101.7 kmUNIMAK ISLAND REGION, ALASKA M4.12025-06-18 20:50:17 UTC50.7 kmFOX ISLANDS, ALEUTIAN ISLANDS M3.02025-06-18 22:59:50 UTC148.5 kmFOX ISLANDS, ALEUTIAN ISLANDS

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#3
Earlier events M≥49
Earlier events M≥53
Compared since2025-01-02

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

Strongest earlier events

M5.32025-05-23 02:30:40 UTC30.9 km M5.22025-05-23 02:30:40 UTC30.9 kmUNIMAK ISLAND REGION, ALASKA M5.02025-02-04 19:27:46 UTC54.3 km151 km SE of Akutan, Alaska M4.62025-02-04 19:32:26 UTC54.3 km151 km SE of Akutan, Alaska M4.42025-02-04 16:31:24 UTC48.7 km145 km SE of Akutan, Alaska

Stats (last 24h)

Global (24h)
493
Country (24h)
—
—
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