M1.1 Depth: 31.0 km

M1.1 Earthquake near 23 km SSW of Knik River, Alaska (United States)

UTC time: 2025-05-11 15:15:11 UTC Local time: —

About this earthquake

A magnitude M1.1 earthquake was recorded near 23 km SSW of Knik River, Alaska (United States) on May 11, 2025 at 15:15 UTC. The hypocenter lay relatively close to the surface at around 31 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 213 earthquakes, the strongest at M5.9.

Details

Magnitude

M1.1

Depth

31.0 km

UTC time

2025-05-11 15:15:11 UTC

Local time

—

Country

United States

City

Alaska

Source

usgs

Coordinates

61.25940, -149.01400

Temperature

8.3°C

Map

Depth profile

Shallow

31 km

31 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: 173 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
Hayes

Distance: 185 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
Redoubt

Distance: 219 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
Iliamna

Distance: 261 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
Wrangell

Distance: 277 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
Buzzard Creek

Distance: 313 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·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)

644

Country (24h)