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M5.4 Depth: 91.0 km

M5.4 Earthquake near Rat Islands, Aleutian Islands, Alaska (United States)

UTC time: 2025-07-26 05:03:53 UTC Local time: —

About this earthquake

A magnitude M5.4 earthquake was recorded near Rat Islands, Aleutian Islands, Alaska (United States) on July 26, 2025 at 05:03 UTC. The earthquake originated at an intermediate depth of about 91 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 164 earthquakes, the strongest at M3.6.

Details

Magnitude
M5.4
Depth
91.0 km
UTC time
2025-07-26 05:03:53 UTC
Local time
—
Country
United States
City
Alaska
Source
usgs
Coordinates
51.70010, 178.40380
Temperature
9.3°C

Map

Depth profile

Depth profile Depth: 91 km (Intermediate) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 91 km
Intermediate
91 km
91 km — deeper than the regional average (15.9 km)
Regional average: 15.9 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

  • Little Sitkin
    Distance: 29 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 30 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 40 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 71 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Semisopochnoi
    Distance: 85 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Buldir
    Distance: 185 km ·Stratovolcano ·Elevation: 656 m ·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 hours5
First 72 hours5
Strongest subsequent eventM5.4
M5.42025-07-26 05:03:54 UTC5.1 km M5.32025-07-26 23:09:38 UTC36.8 km M5.22025-07-26 23:09:39 UTC10.1 kmRat Islands, Aleutian Islands, Alaska M5.32025-07-26 23:09:39 UTC40.7 kmRat Islands, Aleutian Islands, Alaska M5.12025-07-26 23:09:40 UTC50.7 kmRat Islands, Aleutian Islands M4.02025-08-22 00:18:32 UTC80.8 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#1
Earlier events M≥412
Earlier events M≥53
Compared since2025-01-30

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

Strongest earlier events

M5.22025-07-26 05:03:52 UTC24.0 kmRat Islands, Aleutian Islands, Alaska M5.02025-07-21 19:07:20 UTC90.9 km M5.02025-07-21 19:07:19 UTC93.4 km274 km WSW of Adak, Alaska M4.92025-02-21 07:07:09 UTC26.7 kmRat Islands, Aleutian Islands, Alaska M4.82025-07-21 19:07:23 UTC90.9 kmRat Islands, Aleutian Islands

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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