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United States · Alaska

M2.2 Earthquake near Lake and Peninsula Borough, Alaska (United States)

UTC time: 2026-09-21 05:36:53 UTC Local time: —
Magnitude
M2.2
Depth
113.1 km
Source
USGS

Alaska · Lake and Peninsula Borough

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About this earthquake

A magnitude M2.2 earthquake was recorded near Lake and Peninsula Borough, Alaska (United States) on September 21, 2026 at 05:36 UTC. The earthquake originated at an intermediate depth of about 113 km. Events of this size typically go unnoticed.

The data is provided by USGS and cross-checked across seismological networks. United States: 182 earthquakes were recorded in the past 24 hours, the strongest reaching M3.3.

Depth profile

Depth profile Depth: 113.1 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 113.1 km
Intermediate
113.1 km
113.1 km — deeper than the regional average (15.2 km)
Regional average: 15.2 km
Why depth matters

Intermediate-depth quakes are felt across a wider area but usually cause less surface damage.

Depth classes per USGS

Volcanoes nearby

  • Veniaminof
    Distance: 16 km ·Stratovolcano ·Elevation: 2'507 m ·Last eruption: 2021 ·United States
  • Kupreanof
    Distance: 18 km ·Stratovolcano ·Elevation: 1'895 m ·United States
  • Stepovak Bay Group
    Distance: 34 km ·Volcanic field ·Elevation: 1'633 m ·United States
  • Black Peak
    Distance: 72 km ·Stratovolcano ·Elevation: 1'032 m ·Last eruption: -1900 ·United States
  • Dana
    Distance: 115 km ·Stratovolcano ·Elevation: 1'354 m ·Last eruption: -1890 ·United States
  • Aniakchak
    Distance: 124 km ·Caldera ·Elevation: 1'341 m ·Last eruption: 1931 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Perryville AirportUnited States · KPV · PAPE
    27.6 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-21

This selection shows geographic proximity, not a hazard zone or confirmed impacts. Distances use recorded site coordinates. Sources & data dates

Alaska

Context for this earthquake

21 Sep 2025 – 21 Sep 2026 · M ≥ 2.0 · 4,116 Catalogue entries

Of 4,115 other entries for this area and period, 2,346 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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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