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United States · Alaska

M1.7 Earthquake near Alaska (United States)

UTC time: 2026-09-20 00:57:33 UTC Local time: —

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About this earthquake

On September 20, 2026 at 00:57 UTC, a magnitude M1.7 earthquake occurred near Alaska (United States). With a focal depth of about 11 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size typically go unnoticed.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 201 earthquakes, the strongest at M3.1.

Details

ID
3b1155a93287e4598445a952433d1eb5dd1523be
Magnitude
M1.7
Depth
11.4 km
UTC time
2026-09-20 00:57:33 UTC
Local time
—
Country
United States
State
Alaska
City
Alaska
Source
usgs
Coordinates
57.23500, -156.01900
Temperature
10.5°C

Depth profile

Depth profile Depth: 11.4 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 11.4 km
Shallow
11.4 km
11.4 km — shallower than the regional average (15.2 km)
Regional average: 15.2 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

  • Kialagvik
    Distance: 44 km ·Stratovolcano ·Elevation: 1'677 m ·United States
  • Chiginagak
    Distance: 60 km ·Stratovolcano ·Elevation: 2'221 m ·Last eruption: 1998 ·United States
  • Ugashik-Peulik
    Distance: 61 km ·Stratovolcano ·Elevation: 1'474 m ·Last eruption: 1814 ·United States
  • Ukinrek Maars
    Distance: 73 km ·Maar(s) ·Elevation: 91 m ·Last eruption: 1977 ·United States
  • Yantarni
    Distance: 74 km ·Stratovolcano ·Elevation: 1'345 m ·Last eruption: -800 ·United States
  • Alaska Peninsula Arc at 155.4°W
    Distance: 79 km ·Lava dome ·Elevation: 402 m ·United States

Alaska

Context for this earthquake

20 Sep 2025 – 19 Sep 2026 · M ≥ 2.0 · 4,107 Catalogue entries

Sufficiently reliable matching data are not currently available for a direct comparison. The area profile shows the available records and their limitations.

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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