Back to map
M5.1 Depth: 85.5 km

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

UTC time: 2025-08-05 11:04:08 UTC Local time: —
M5.1 earthquake near Alaska on Aug 5, 2025 — map of epicenter and shaking intensity | QuakeMap24
M5.1 Earthquake near 54 km W of Adak, Alaska (United States) · 2025-08-05 11:04:08 UTC

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 173 earthquakes, the strongest at M4.1.

Details

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

Map

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 (15.4 km)
Regional average: 15.4 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

  • Bobrof
    Distance: 10 km ·Stratovolcano ·Elevation: 738 m ·United States
  • Kanaga
    Distance: 21 km ·Stratovolcano ·Elevation: 1'307 m ·Last eruption: 2023 ·United States
  • Takawangha
    Distance: 40 km ·Stratovolcano ·Elevation: 1'449 m ·Last eruption: 1550 ·United States
  • Moffett
    Distance: 49 km ·Stratovolcano ·Elevation: 1'196 m ·Last eruption: -1600 ·United States
  • Tanaga
    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

Subsequent earthquakes nearby

Events recorded after this earthquake within 150 km. They are not automatically classified as aftershocks.

First 6 hours1
First 24 hours1
First 72 hours1
Strongest subsequent eventM5.0
M5.02025-08-05 11:04:10 UTC19.1 kmAndreanof Islands, Aleutian Islands M4.72025-08-18 06:10:39 UTC104.8 kmANDREANOF ISLANDS, ALEUTIAN IS. M1.62025-08-19 04:31:03 UTC104.3 km67 km SSE of Adak, Alaska M3.22025-08-19 19:25:04 UTC101.9 km55 km SE of Adak, Alaska M3.52025-08-19 19:25:04 UTC101.9 kmANDREANOF ISLANDS, ALEUTIAN IS.

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#12
Earlier events M≥447
Earlier events M≥516
Compared since2025-01-02

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

Strongest earlier events

M6.22025-03-21 14:53:41 UTC119.2 km88 km SSE of Adak, Alaska M6.22025-03-21 14:53:43 UTC100.1 kmAndreanof Islands, Aleutian Islands M5.62025-03-22 09:49:21 UTC116.5 km87 km SSE of Adak, Alaska M5.62025-03-20 04:28:54 UTC127.3 km M5.62025-03-20 04:28:52 UTC116.5 km87 km SSE of Adak, Alaska

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