United States

M5.1 Earthquake near 54 km W of Adak, Alaska (United States)

UTC time: 2025-08-05 11:04:08 UTC Local time: —
Earthquake newsQuakeMap24
Archive record · original publication time was not recorded

Automatically generated from measurement data by QuakeMap24. Values may change after further analysis.

Map

M5.1 Earthquake near 54 km W of Adak, Alaska (United States) · 2025-08-05 — Map showing the location of the epicenter
M5.1 Earthquake near 54 km W of Adak, Alaska (United States) · 2025-08-05 — Map showing the location of the epicenter

About this earthquake

On August 5, 2025 at 11:04 UTC, a magnitude M5.1 earthquake occurred near 54 km W of Adak, Alaska (United States). The earthquake originated at an intermediate depth of about 86 km. Events of this size can cause damage near the epicenter.

The event was recorded by USGS. United States: over the past 24 hours, QuakeMap24 logged 142 earthquakes, the strongest at M3.6.

Details

ID
ffe01b39a438f5f5468fc32b21abe8b3c9d4a36a
Magnitude
M5.1
Depth
85.5 km
UTC time
2025-08-05 11:04:08 UTC
Local time
—
Country
City
Source
usgs
Coordinates
51.81820, -177.42360
Temperature
9.1°C

Depth profile

Depth profile Depth: 85.5 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 85.5 km
Intermediate
85.5 km
85.5 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

  • Distance: 10 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Distance: 21 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Distance: 40 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Distance: 49 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Distance: 50 km ·Stratovolcano(es) ·Elevation: 1'806 m ·Last eruption: 1914 ·United States
  • Great Sitkin WATCH · ORANGE
    Distance: 93 km ·Stratovolcano ·Elevation: 1'740 m ·Last eruption: 2026 ·United States

Radius · 100 km

Nearby infrastructure

Up to 3 nearest sites per category

Airports

  • Adak AirportUnited States · ADK · PADK
    54.1 kmStraight-line distance

Source: OurAirports · Dataset date: 2026-11-04

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 ≥ 3.0 · 653 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

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#13
Earlier events M≥449
Earlier events M≥518
Compared since2025-01-02

The QuakeMap24 comparison dataset begins on 2024-03-23. Earlier earthquakes may not be included.

Strongest earlier events

Historic earthquake map · United States

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

View earthquake KPIs, strongest and latest events, and averages for this country.

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