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M1.5 Depth: 0.1 km

M1.5 Earthquake near 50 km N of Kobuk, Alaska (United States)

UTC time: 2025-09-20 21:32:03 UTC Local time: —

About this earthquake

A magnitude M1.5 earthquake was recorded near 50 km N of Kobuk, Alaska (United States) on September 20, 2025 at 21:32 UTC. With a focal depth of about 0 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: over the past 24 hours, QuakeMap24 logged 168 earthquakes, the strongest at M3.7.

Details

Magnitude
M1.5
Depth
0.1 km
UTC time
2025-09-20 21:32:03 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
67.35570, -156.89430
Temperature
6.4°C

Map

Depth profile

Depth profile Depth: 0.1 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 0.1 km
Shallow
0.1 km
0.1 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

  • Imuruk Lake
    Distance: 356 km ·Volcanic field ·Elevation: 610 m ·Last eruption: 300 ·United States
  • St. Michael
    Distance: 497 km ·Volcanic field ·Elevation: 715 m ·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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