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M1.9 Depth: 37.3 km

M1.9 Earthquake near 31 km WNW of Willow, Alaska (United States)

UTC time: 2025-09-12 09:27:04 UTC Local time: —

About this earthquake

A magnitude M1.9 earthquake was recorded near 31 km WNW of Willow, Alaska (United States) on September 12, 2025 at 09:27 UTC. With a focal depth of about 37 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: over the past 24 hours, QuakeMap24 logged 176 earthquakes, the strongest at M4.8.

Details

Magnitude
M1.9
Depth
37.3 km
UTC time
2025-09-12 09:27:04 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
61.86220, -150.57570
Temperature
5.4°C

Map

Depth profile

Depth profile Depth: 37.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 37.3 km
Shallow
37.3 km
37.3 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

  • Hayes
    Distance: 100 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Spurr
    Distance: 109 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Redoubt
    Distance: 192 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Iliamna
    Distance: 245 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Buzzard Creek
    Distance: 267 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Augustine
    Distance: 319 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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