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M5.4 Earthquake near Rat Islands, Aleutian Islands

UTC time: 2026-03-17 16:21:41 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. How our reports are produced ↗

Magnitude
M5.4
Depth
10.0 km
Source
GFZ

Rat Islands, Aleutian Islands

Map

M5.4 Earthquake near Rat Islands, Aleutian Islands · 2026-03-17 — Map showing the location of the epicenter
M5.4 Earthquake near Rat Islands, Aleutian Islands · 2026-03-17 — Map showing the location of the epicenter

About this earthquake

A magnitude M5.4 earthquake was recorded near Rat Islands, Aleutian Islands on March 17, 2026 at 16:21 UTC. With a focal depth of about 10 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Events of this size can cause damage near the epicenter.

The event was recorded by GFZ.

Details

ID
7164e9f3c95ddba43f79b0b5bf795014fdfd718a
Magnitude
M5.4
Depth
10.0 km
UTC time
2026-03-17 16:21:41 UTC
Local time
—
Country
—
Source
gfz
Coordinates
52.23000, 176.73000
Temperature
2.9°C

Depth profile

Depth profile Depth: 10 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 10 km
Shallow
10 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

  • Buldir
    Distance: 57 km ·Stratovolcano ·Elevation: 656 m ·United States
  • Kiska
    Distance: 61 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Segula
    Distance: 99 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Davidof
    Distance: 113 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Little Sitkin
    Distance: 128 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Semisopochnoi
    Distance: 198 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States

Subsequent earthquakes nearby

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

First 6 hours3
First 24 hours6
First 72 hours8
Strongest subsequent eventM5.6
M5.62026-03-17 16:21:43 UTC124.0 km M2.12026-03-17 18:25:43 UTC138.3 kmRat Islands, Aleutian Islands, Alaska M3.32026-03-17 20:21:00 UTC38.3 kmRAT ISLANDS, ALEUTIAN ISLANDS M3.02026-03-17 23:08:41 UTC31.1 kmRAT ISLANDS, ALEUTIAN ISLANDS M4.92026-03-18 04:36:32 UTC22.3 km234 km ESE of Attu Station, Alaska M5.02026-03-18 04:36:34 UTC9.1 kmRat Islands, Aleutian Islands M3.22026-03-19 17:53:26 UTC60.4 kmRAT ISLANDS, ALEUTIAN ISLANDS M1.92026-03-20 01:24:44 UTC123.4 kmRat Islands, Aleutian Islands, Alaska M4.02026-03-22 07:31:24 UTC41.4 kmRAT ISLANDS, ALEUTIAN ISLANDS M4.22026-03-22 16:46:20 UTC100.6 km229 km SE of Attu Station, Alaska M4.52026-03-22 22:11:50 UTC136.6 km237 km SE of Attu Station, Alaska M4.52026-03-22 22:11:53 UTC106.9 kmRAT ISLANDS, ALEUTIAN ISLANDS

Comparison of seismic sources

2 sources currently report magnitudes from M5.4 to M5.4.

Measurements can differ because agencies use different networks and calculation methods. Values may be revised.

SourceMagnitudeDepthPosition difference
GFZM5.410.0 km0.0 km
USPM5.410.0 km10.2 km

No unambiguous area assignment

Context for this earthquake

This event has no unambiguous country assignment in the analysed catalogue. It is therefore not assigned to a regional profile.

Earthquake overview

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#24
Earlier events M≥491
Earlier events M≥547
Compared since2025-01-30

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

Strongest earlier events

M6.52026-03-04 17:54:38 UTC25.3 km224 km ESE of Attu Station, Alaska M6.42026-03-04 17:54:36 UTC25.3 km###.# km ( ###.# mi) NW (az= 308.7) from Wendover, UT M6.12026-03-04 17:54:37 UTC109.7 kmRat Islands, Aleutian Islands M6.12026-03-04 17:54:35 UTC119.8 km M6.12026-01-15 08:52:45 UTC79.2 kmRat Islands, Aleutian Islands, United States [Sea: United States]

Stats (last 24h)

Global (24h)
641
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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