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M3.9 Depth: 5.0 km

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

UTC time: 2026-06-16 23:57:44 UTC Local time: —

About this earthquake

A magnitude M3.9 earthquake was recorded near Unorganized Borough, Alaska (United States) on June 16, 2026 at 23:57 UTC. With a focal depth of about 5 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude are often felt but rarely cause damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 177 earthquakes, the strongest at M4.1.

Map

Depth profile

Depth profile Depth: 5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 5 km
Shallow
5 km
5 km — shallower than the regional average (15.9 km)
Regional average: 15.9 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: 42 km ·Volcanic field ·Elevation: 610 m ·Last eruption: 300 ·United States
  • St. Michael
    Distance: 197 km ·Volcanic field ·Elevation: 715 m ·United States
  • Ingakslugwat Hills
    Distance: 422 km ·Volcanic field ·Elevation: 190 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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