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United States · Alaska

M1.4 Earthquake near Sitka, Alaska (United States)

UTC time: 2026-08-28 17:37:29 UTC Local time: —

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About this earthquake

A magnitude M1.4 earthquake was recorded near Sitka, Alaska (United States) on August 28, 2026 at 17:37 UTC. With a focal depth of about 36 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 169 earthquakes, the strongest at M4.6.

Details

ID
e77200dbf9621f3f20b2690a0ba32becfed3167b
Magnitude
M1.4
Depth
35.5 km
UTC time
2026-08-28 17:37:29 UTC
Local time
—
Country
United States
State
Alaska
City
Sitka
County
Sitka
Source
usgs
Coordinates
56.88500, -135.42900
Temperature
14.5°C

Depth profile

Depth profile Depth: 35.5 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 35.5 km
Shallow
35.5 km
35.5 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

  • Edgecumbe
    Distance: 27 km ·Volcanic field ·Elevation: 970 m ·Last eruption: -2080 ·United States
  • Duncan Canal
    Distance: 149 km ·Volcanic field ·Elevation: 15 m ·United States
  • Tlevak Strait-Suemez Island
    Distance: 225 km ·Volcanic field ·Elevation: 50 m ·United States
  • Hoodoo Mountain
    Distance: 253 km ·Pyroclastic cone(s) ·Elevation: 1'850 m ·Last eruption: -7050 ·Canada
  • Heart Peaks
    Distance: 280 km ·Shield ·Elevation: 2'012 m ·Canada
  • Iskut-Unuk River Cones
    Distance: 288 km ·Pyroclastic cone(s) ·Elevation: 1'880 m ·Last eruption: 1800 ·Canada

Radius · 50 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Sitka Rocky Gutierrez AirportUnited States · SIT · PASI
    18.5 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-10

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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