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M1.3 Depth: 43.5 km

M1.3 Earthquake near 10 km NNW of Big Lake, Alaska (United States)

UTC time: 2025-10-11 03:51:19 UTC Local time: —

About this earthquake

On October 11, 2025 at 03:51 UTC, a magnitude M1.3 earthquake occurred near 10 km NNW of Big Lake, Alaska (United States). With a focal depth of about 44 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: over the past 24 hours, QuakeMap24 logged 200 earthquakes, the strongest at M5.5.

Details

Magnitude
M1.3
Depth
43.5 km
UTC time
2025-10-11 03:51:19 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.59980, -150.05870
Temperature
3.0°C

Map

Depth profile

Depth profile Depth: 43.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 43.5 km
Shallow
43.5 km
43.5 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

  • Spurr
    Distance: 121 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 124 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Redoubt
    Distance: 190 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 240 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 286 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 310 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·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.

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