Back to map
United States

M2.2 Earthquake near 29 km E of Larsen Bay, Alaska (United States)

UTC time: 2025-09-17 06:44:52 UTC Local time: —

Map

About this earthquake

On September 17, 2025 at 06:44 UTC, a magnitude M2.2 earthquake occurred near 29 km E of Larsen Bay, Alaska (United States). The hypocenter lay relatively close to the surface at around 40 km, increasing how strongly it was felt. Earthquakes of this small magnitude are usually barely noticeable and cause no damage.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 158 earthquakes, the strongest at M3.3.

Details

ID
1010414a99239a948943bff99f5ddb10dc3114cc
Magnitude
M2.2
Depth
40.0 km
UTC time
2025-09-17 06:44:52 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
57.59080, -153.49230
Temperature
5.8°C

Depth profile

Depth profile Depth: 40 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40 km
Shallow
40 km
40 km — deeper than the regional average (15.3 km)
Regional average: 15.3 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

  • Steller
    Distance: 107 km ·Stratovolcano ·Elevation: 2'279 m ·United States
  • Denison
    Distance: 108 km ·Stratovolcano ·Elevation: 2'287 m ·United States
  • Kukak
    Distance: 108 km ·Stratovolcano ·Elevation: 2'043 m ·United States
  • Snowy Mountain
    Distance: 109 km ·Stratovolcano(es) ·Elevation: 2'162 m ·Last eruption: 1710 ·United States
  • Katmai
    Distance: 115 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Kaguyak
    Distance: 118 km ·Lava dome(s) ·Elevation: 901 m ·Last eruption: -3850 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Larsen Bay AirportUnited States · KLN · PALB
    29.5 kmStraight-line distance
  • Old Harbor AirportUnited States · OLH
    43.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-09-07

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

07 Sep 2025 – 07 Sep 2026 · M ≥ 2.0 · 4,083 Catalogue entries

Of 4,082 other entries for this area and period, 2,327 have a higher stored magnitude. Different magnitude types and reports not yet merged limit the comparison.

Open seismic profile

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.

Share