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M4.7 Depth: 50.0 km

M4.7 Earthquake near Unorganized Borough, Alaska (United States)

UTC time: 2026-05-08 20:03:28 UTC Local time: —

About this earthquake

A magnitude M4.7 earthquake was recorded near Unorganized Borough, Alaska (United States) on May 8, 2026 at 20:03 UTC. With a focal depth of about 50 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Tremors of this size are distinctly felt and can occasionally cause light damage.

The data is provided by EMSC and cross-checked across seismological networks. United States: 183 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

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Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 km
50 km — deeper 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

  • Semisopochnoi
    Distance: 68 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Little Sitkin
    Distance: 84 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 95 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 108 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 143 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 257 km ·Stratovolcano ·Elevation: 656 m ·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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