M2.5 Depth: 58.0 km

M2.5 Earthquake near 77 km SW of Nanwalek, Alaska (United States)

UTC time: 2025-10-16 15:25:43 UTC Local time: —

About this earthquake

On October 16, 2025 at 15:25 UTC, a magnitude M2.5 earthquake occurred near 77 km SW of Nanwalek, Alaska (United States). With a focal depth of about 58 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: 209 earthquakes were recorded in the past 24 hours, the strongest reaching M5.5.

Details

Magnitude

M2.5

Depth

58.0 km

UTC time

2025-10-16 15:25:43 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

58.90200, -152.93510

Temperature

8.4°C

Map

Depth profile

Shallow

58 km

58 km — deeper than 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

Volcanoes nearby

Douglas

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Fourpeaked

Distance: 45 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
Augustine

Distance: 59 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
Kaguyak

Distance: 71 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States
Kukak

Distance: 96 km ·Stratovolcano ·Elevation: 2'043 m ·United States
Steller

Distance: 99 km ·Stratovolcano ·Elevation: 2'279 m ·United States

Historic earthquake map · United States

Open history map

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Country statistics · United States

Country overview

View earthquake KPIs, strongest and latest events, and averages for this country.

Stats (last 24h)

Global (24h)

607

Country (24h)