M5.0 Depth: 11.0 km

M5.0 Earthquake near Kodiak Island Region, Alaska

UTC time: 2025-09-17 06:35:38 UTC Local time: —

About this earthquake

A magnitude M5.0 earthquake was recorded near Kodiak Island Region, Alaska on September 17, 2025 at 06:35 UTC. The hypocenter lay relatively close to the surface at around 11 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

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

Details

Magnitude

M5.0

Depth

11.0 km

UTC time

2025-09-17 06:35:38 UTC

Local time

—

Country

—

Source

gfz

Coordinates

56.56000, -152.36000

Temperature

10.7°C

Map

Depth profile

Shallow

11 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

Nearby population centers

Distances are straight-line distances from the epicenter. Population data: GeoNames.

PlaceDistanceDirectionPopulation

Anchorage536.8 kmN289'600

GeoNames · CC BY 4.0

Volcanoes nearby

Alaska Peninsula Arc at 155.4°W

Distance: 234 km ·Lava dome ·Elevation: 402 m ·United States
Steller

Distance: 241 km ·Stratovolcano ·Elevation: 2'279 m ·United States
Denison

Distance: 241 km ·Stratovolcano ·Elevation: 2'287 m ·United States
Snowy Mountain

Distance: 241 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
Kukak

Distance: 242 km ·Stratovolcano ·Elevation: 2'043 m ·United States
Katmai

Distance: 246 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States

Subsequent earthquakes nearby

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

First 6 hours2

First 24 hours3

First 72 hours4

Strongest subsequent eventM4.6

M4.62025-09-17 06:35:41 UTC26.4 km117 km SE of Old Harbor, Alaska M2.22025-09-17 06:44:52 UTC133.5 km29 km E of Larsen Bay, Alaska M2.52025-09-17 17:28:43 UTC57.6 km46 km S of Old Harbor, Alaska M2.52025-09-19 11:59:07 UTC133.1 kmKodiak Island region M2.62025-10-07 16:39:06 UTC52.3 km67 km S of Old Harbor, Alaska M3.32025-10-08 14:27:26 UTC136.4 kmSOUTH OF ALASKA M3.02025-10-12 13:28:53 UTC108.5 kmKODIAK ISLAND REGION, ALASKA M3.02025-10-12 13:28:54 UTC107.7 km27 km NNE of Old Harbor, Alaska M3.22025-10-14 18:42:00 UTC127.8 kmGULF OF ALASKA M2.52025-10-14 20:58:20 UTC149.6 km61 km SW of Akhiok, Alaska M2.52025-10-14 20:58:21 UTC147.4 kmKODIAK ISLAND REGION, ALASKA M3.32025-10-16 07:34:13 UTC120.2 km10 km ESE of Womens Bay, Alaska

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#10

Earlier events M≥420

Earlier events M≥511

Compared since2025-05-13

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

Strongest earlier events

M5.82025-09-01 11:02:10 UTC13.5 kmUnited States [Sea] M5.62025-09-01 11:02:08 UTC18.0 kmKODIAK ISLAND REGION, ALASKA M5.52025-09-01 11:02:08 UTC38.9 km M5.42025-09-01 11:02:08 UTC6.1 kmKodiak Island Region, Alaska M5.42025-09-01 11:02:09 UTC17.0 kmKodiak Island Region, Alaska

Stats (last 24h)

Global (24h)

606

Country (24h)

—

Current earthquakes in

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No recent events available.