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M3.5 Depth: 15.2 km

M3.5 Earthquake near NORTHERN ALASKA (United States)

UTC time: 2025-08-23 08:00:45 UTC Local time: —

About this earthquake

A magnitude M3.5 earthquake was recorded near NORTHERN ALASKA (United States) on August 23, 2025 at 08:00 UTC. The hypocenter lay relatively close to the surface at around 15 km, increasing how strongly it was felt. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. United States: 203 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M3.5
Depth
15.2 km
UTC time
2025-08-23 08:00:45 UTC
Local time
—
Country
United States
City
Alaska
Source
emsc
Coordinates
69.64050, -144.84100
Temperature
3.3°C

Map

Depth profile

Depth profile Depth: 15.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 15.2 km
Shallow
15.2 km
15.2 km — close to the regional average (15.4 km)
Regional average: 15.4 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

Historic earthquake map · United States

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