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M3.9 Depth: 41.8 km

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

UTC time: 2026-08-17 05:07:47 UTC Local time: —

About this earthquake

On August 17, 2026 at 05:07 UTC, a magnitude M3.9 earthquake occurred near Kenai Peninsula Borough, Alaska (United States). With a focal depth of about 42 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 data is provided by USGS and cross-checked across seismological networks. United States: 170 earthquakes were recorded in the past 24 hours, the strongest reaching M3.9.

Map

Depth profile

Depth profile Depth: 41.8 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 41.8 km
Shallow
41.8 km
41.8 km — deeper 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

  • Iliamna
    Distance: 148 km ·Stratovolcano ·Elevation: 3'053 m ·Last eruption: 1876 ·United States
  • Augustine
    Distance: 158 km ·Lava dome(s) ·Elevation: 1'218 m ·Last eruption: 2006 ·United States
  • Redoubt
    Distance: 159 km ·Stratovolcano ·Elevation: 3'108 m ·Last eruption: 2009 ·United States
  • Douglas
    Distance: 180 km ·Stratovolcano ·Elevation: 2'140 m ·United States
  • Fourpeaked
    Distance: 191 km ·Stratovolcano ·Elevation: 2'105 m ·Last eruption: 2006 ·United States
  • Spurr
    Distance: 217 km ·Stratovolcano ·Elevation: 3'374 m ·Last eruption: 1992 ·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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