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M3.9 Depth: 14.7 km

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

UTC time: 2026-04-30 16:03:15 UTC Local time: —

About this earthquake

On April 30, 2026 at 16:03 UTC, a magnitude M3.9 earthquake occurred near Unorganized Borough, Alaska (United States). With a focal depth of about 15 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 EMSC. United States: over the past 24 hours, QuakeMap24 logged 199 earthquakes, the strongest at M5.8.

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Depth profile

Depth profile Depth: 14.7 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 14.7 km
Shallow
14.7 km
14.7 km — close to 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

  • Wrangell
    Distance: 158 km ·Shield ·Elevation: 4'278 m ·Last eruption: 1912 ·United States
  • Churchill
    Distance: 263 km ·Stratovolcano ·Elevation: 5'005 m ·Last eruption: 847 ·United States
  • Spurr
    Distance: 297 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·United States
  • Hayes
    Distance: 305 km ·Stratovolcano ·Elevation: 3'034 m ·Last eruption: 1200 ·United States
  • Buzzard Creek
    Distance: 313 km ·Tuff ring(s) ·Elevation: 830 m ·Last eruption: -1050 ·United States
  • Redoubt
    Distance: 342 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States

Historic earthquake map · United States

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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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