M0.9 Depth: 68.5 km

M0.9 Earthquake near 15 km WNW of Nikiski, Alaska (United States)

UTC time: 2025-05-21 10:11:05 UTC Local time: —

About this earthquake

A magnitude M0.9 earthquake was recorded near 15 km WNW of Nikiski, Alaska (United States) on May 21, 2025 at 10:11 UTC. With a focal depth of about 69 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 178 earthquakes were recorded in the past 24 hours, the strongest reaching M3.6.

Details

Magnitude

M0.9

Depth

68.5 km

UTC time

2025-05-21 10:11:05 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

60.76570, -151.52490

Temperature

5.0°C

Map

Depth profile

Shallow

68.5 km

68.5 km — deeper than the regional average (15.3 km)

Regional average: 15.3 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

Spurr

Distance: 71 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Redoubt

Distance: 73 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Hayes

Distance: 108 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Iliamna

Distance: 119 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Augustine

Distance: 189 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
Douglas

Distance: 241 km ·Stratovolcano ·Elevation: 2'140 m ·United States

Historic earthquake map · United States

Open history map

Explore recent and long-term earthquake activity in this country. Use filters to narrow down by magnitude, depth, and date range.

Country statistics · United States

Country overview

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

Stats (last 24h)

Global (24h)

635

Country (24h)