M1.9 Depth: 45.6 km

M1.9 Earthquake near 4 km SSW of Fox River, Alaska (United States)

UTC time: 2025-09-09 14:39:56 UTC Local time:

About this earthquake

A magnitude M1.9 earthquake was recorded near 4 km SSW of Fox River, Alaska (United States) on September 9, 2025 at 14:39 UTC. The hypocenter lay relatively close to the surface at around 46 km, increasing how strongly it was felt. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: 192 earthquakes were recorded in the past 24 hours, the strongest reaching M4.8.

Details

Magnitude
M1.9
Depth
45.6 km
UTC time
2025-09-09 14:39:56 UTC
Local time
Country
City
Source
usgs
Coordinates
59.82000, -150.98100
Temperature
7.3°C

Map

Depth profile

Depth profile Depth: 45.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 45.6 km
Shallow
45.6 km
45.6 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

  • Iliamna
    Distance: 120 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Redoubt
    Distance: 122 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Augustine
    Distance: 147 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 178 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Douglas
    Distance: 181 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 192 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States

Historic earthquake map · United States

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

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

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