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M5.0 Earthquake near GULF OF ALASKA

UTC time: 2025-12-16 23:35:25 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
M5.0
Depth
8.7 km
Source
EMSC

GULF OF ALASKA

Map

M5.0 Earthquake near GULF OF ALASKA · 2025-12-16 — Map showing the location of the epicenter
M5.0 Earthquake near GULF OF ALASKA · 2025-12-16 — Map showing the location of the epicenter

About this earthquake

On December 16, 2025 at 23:35 UTC, a magnitude M5.0 earthquake occurred near GULF OF ALASKA. The hypocenter lay relatively close to the surface at around 9 km, increasing how strongly it was felt. Earthquakes of this magnitude can damage poorly built structures.

The event was recorded by EMSC.

Details

ID
608b841f3650469712036228e21d70439e5d4486
Magnitude
M5.0
Depth
8.7 km
UTC time
2025-12-16 23:35:25 UTC
Local time
—
Country
—
Source
emsc
Coordinates
56.43030, -148.77940
Temperature
1.9°C

Depth profile

Depth profile Depth: 8.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 8.7 km
Shallow
8.7 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
Anchorage536.2 kmN289'600

GeoNames · CC BY 4.0

Volcanoes nearby

  • Fourpeaked
    Distance: 391 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Douglas
    Distance: 391 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Kaguyak
    Distance: 396 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
  • Kukak
    Distance: 402 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Steller
    Distance: 403 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Denison
    Distance: 405 km ·Stratovolcano ·Elevation: 2'287 m ·United States

Subsequent earthquakes nearby

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

First 6 hours3
First 24 hours3
First 72 hours3
Strongest subsequent eventM5.3
M5.02025-12-16 23:35:26 UTC13.6 km262 km SE of Chiniak, Alaska M5.32025-12-16 23:35:26 UTC3.3 kmGulf of Alaska M5.02025-12-16 23:35:27 UTC11.0 kmEvent of magnitude 5.0, near of Anchorage (Monde) M3.82026-01-01 00:46:27 UTC10.7 km259 km SE of Chiniak, Alaska M3.92026-01-01 00:46:31 UTC25.3 kmGULF OF ALASKA M3.12026-01-06 18:18:05 UTC35.7 km230 km SE of Chiniak, Alaska M3.52026-01-06 18:18:08 UTC42.5 kmGULF OF ALASKA M3.32026-01-07 21:19:24 UTC41.3 km252 km SE of Chiniak, Alaska M3.92026-01-07 21:19:26 UTC68.9 km276 km SE of Chiniak, Alaska M3.72026-01-11 18:19:40 UTC21.9 kmGULF OF ALASKA M2.62026-01-11 18:19:43 UTC44.5 km217 km ESE of Chiniak, 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#2
Earlier events M≥41
Earlier events M≥51
Compared since2025-09-01

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

Strongest earlier events

M5.12025-09-01 11:45:53 UTC113.9 km

Stats (last 24h)

Global (24h)
637
Country (24h)
—
—
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