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United States · Alaska

M1.8 Earthquake near Alaska (United States)

UTC time: 2026-09-28 20:18:36 UTC Local time: —

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About this earthquake

On September 28, 2026 at 20:18 UTC, a magnitude M1.8 earthquake occurred near Alaska (United States). The hypocenter lay relatively close to the surface at around 41 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 207 earthquakes, the strongest at M3.3.

Details

ID
6ff1d54f8804fdf8b0a06bc9cc4091d86d80ca66
Magnitude
M1.8
Depth
40.6 km
UTC time
2026-09-28 20:18:36 UTC
Local time
—
Country
United States
State
Alaska
City
Alaska
Source
usgs
Coordinates
57.58800, -154.89600
Temperature
9.3°C

Depth profile

Depth profile Depth: 40.6 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 40.6 km
Shallow
40.6 km
40.6 km — deeper 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

  • Alaska Peninsula Arc at 155.4°W
    Distance: 44 km ·Lava dome ·Elevation: 402 m ·United States
  • Martin
    Distance: 71 km ·Stratovolcano ·Elevation: 1'863 m ·Last eruption: 1953 ·United States
  • Mageik
    Distance: 71 km ·Stratovolcano ·Elevation: 2'165 m ·Last eruption: -500 ·United States
  • Trident
    Distance: 73 km ·Stratovolcano ·Elevation: 1'864 m ·Last eruption: 1974 ·United States
  • Katmai
    Distance: 77 km ·Stratovolcano ·Elevation: 2'047 m ·Last eruption: 1912 ·United States
  • Novarupta
    Distance: 77 km ·Caldera ·Elevation: 841 m ·Last eruption: 1912 ·United States

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Karluk AirportUnited States · KYK · PAKY
    26.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-10-31

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

05 Oct 2025 – 05 Oct 2026 · M ≥ 2.0 · 4,148 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

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.

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