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M3.9 Depth: 1.7 km

M3.9 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-01-16 18:35:41 UTC Local time: —

About this earthquake

On January 16, 2026 at 18:35 UTC, a magnitude M3.9 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 2 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Shaking of this size is frequently noticed but usually harmless.

The event was recorded by EMSC. United States: 226 earthquakes were recorded in the past 24 hours, the strongest reaching M3.2.

Map

Depth profile

Depth profile Depth: 1.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 1.7 km
Shallow
1.7 km
1.7 km — shallower than the regional average (15.8 km)
Regional average: 15.8 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

  • Edgecumbe
    Distance: 164 km ·Volcanic field ·Elevation: 970 m ·Last eruption: -2080 ·United States
  • Alligator Lake
    Distance: 246 km ·Volcanic field ·Elevation: 2'217 m ·Canada
  • Atlin Volcanic Field
    Distance: 257 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Canada
  • Heart Peaks
    Distance: 294 km ·Shield ·Elevation: 2'012 m ·Canada
  • Duncan Canal
    Distance: 313 km ·Volcanic field ·Elevation: 15 m ·United States
  • Level Mountain
    Distance: 330 km ·Shield ·Elevation: 2'164 m ·Canada

Historic earthquake map · United States

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Country statistics · United States

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

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