Back to map
M1.1 Depth: 5.1 km

M1.1 Earthquake near 25 km SE of Nenana, Alaska (United States)

UTC time: 2025-09-23 15:23:36 UTC Local time: —

About this earthquake

On September 23, 2025 at 15:23 UTC, a magnitude M1.1 earthquake occurred near 25 km SE of Nenana, Alaska (United States). With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 171 earthquakes were recorded in the past 24 hours, the strongest reaching M3.7.

Details

Magnitude
M1.1
Depth
5.1 km
UTC time
2025-09-23 15:23:36 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
64.42170, -148.69260
Temperature
2.6°C

Map

Depth profile

Depth profile Depth: 5.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5.1 km
Shallow
5.1 km
5.1 km — shallower 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

  • Buzzard Creek
    Distance: 42 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Wrangell
    Distance: 356 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Hayes
    Distance: 362 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 391 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 485 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Churchill
    Distance: 487 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·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.

Share