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M5.0 Earthquake near 130 km SE of Old Harbor, Alaska

UTC time: 2025-09-01 11:02:11 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. How our reports are produced ↗

Magnitude
M5.0
Depth
18.5 km
Source
USGS

130 km SE of Old Harbor, Alaska

Map

M5.0 Earthquake near 130 km SE of Old Harbor, Alaska · 2025-09-01 — Map showing the location of the epicenter
M5.0 Earthquake near 130 km SE of Old Harbor, Alaska · 2025-09-01 — Map showing the location of the epicenter

About this earthquake

On September 1, 2025 at 11:02 UTC, a magnitude M5.0 earthquake occurred near 130 km SE of Old Harbor, Alaska. With a focal depth of about 19 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 event was recorded by USGS.

Details

ID
0f3bb12745da218fa844285502d59b8da45c0995
Magnitude
M5.0
Depth
18.5 km
UTC time
2025-09-01 11:02:11 UTC
Local time
—
Country
—
Source
usgs
Coordinates
56.27940, -151.98370
Temperature
14.3°C

Depth profile

Depth profile Depth: 18.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 18.5 km
Shallow
18.5 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
Anchorage562.1 kmN289'600

GeoNames · CC BY 4.0

Volcanoes nearby

  • Alaska Peninsula Arc at 155.4°W
    Distance: 272 km ·Lava dome ·Elevation: 402 m ·United States
  • Steller
    Distance: 279 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Denison
    Distance: 280 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Snowy Mountain
    Distance: 280 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Kukak
    Distance: 280 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Katmai
    Distance: 285 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 hours13
First 24 hours22
First 72 hours31
Strongest subsequent eventM5.2
M4.02025-09-01 11:07:25 UTC10.3 kmKODIAK ISLAND REGION, ALASKA M3.92025-09-01 11:08:50 UTC8.6 km122 km SE of Old Harbor, Alaska M3.12025-09-01 11:16:43 UTC12.1 km118 km SE of Old Harbor, Alaska M3.62025-09-01 11:16:43 UTC30.6 kmKodiak Island region M3.02025-09-01 11:26:52 UTC35.9 kmKodiak Island region M5.22025-09-01 11:45:45 UTC28.6 kmKodiak Island Region, Alaska M4.92025-09-01 11:45:45 UTC27.0 kmKODIAK ISLAND REGION, ALASKA M5.02025-09-01 11:45:46 UTC37.4 kmEvent of magnitude 5.0, near of Anchorage (Monde) M4.72025-09-01 11:45:49 UTC13.1 kmKodiak Island region M5.12025-09-01 11:45:53 UTC135.2 km M2.02025-09-01 11:57:33 UTC141.1 km14 km N of Old Harbor, Alaska M3.32025-09-01 13:48:12 UTC15.9 kmKODIAK ISLAND REGION, ALASKA

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#7
Earlier events M≥46
Earlier events M≥56
Compared since2025-09-01

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 UTC28.0 kmUnited States [Sea] M5.62025-09-01 11:02:08 UTC22.3 kmKODIAK ISLAND REGION, ALASKA M5.52025-09-01 11:02:08 UTC0.0 km M5.42025-09-01 11:02:08 UTC33.0 kmKodiak Island Region, Alaska M5.42025-09-01 11:02:09 UTC55.7 kmKodiak Island Region, Alaska

Stats (last 24h)

Global (24h)
508
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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