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M6.1 Earthquake near Rat Islands, Aleutian Islands, Alaska

UTC time: 2026-05-09 04:42:22 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
M6.1
Depth
16.3 km
Source
USGS

Rat Islands, Aleutian Islands, Alaska

Map

M6.1 Earthquake near Rat Islands, Aleutian Islands, Alaska · 2026-05-09 — Map showing the location of the epicenter
M6.1 Earthquake near Rat Islands, Aleutian Islands, Alaska · 2026-05-09 — Map showing the location of the epicenter

About this earthquake

A magnitude M6.1 earthquake was recorded near Rat Islands, Aleutian Islands, Alaska on May 9, 2026 at 04:42 UTC. The hypocenter lay relatively close to the surface at around 16 km, increasing how strongly it was felt. Earthquakes of this magnitude can cause significant damage in populated areas.

The data is provided by USGS and cross-checked across seismological networks.

Details

ID
7336a42f14dbb5cf8357c951578af693da4f3991
Magnitude
M6.1
Depth
16.3 km
UTC time
2026-05-09 04:42:22 UTC
Local time
—
Country
—
Source
usgs
Coordinates
50.98100, 179.21400
Temperature
4.4°C

Depth profile

Depth profile Depth: 16.3 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 16.3 km
Shallow
16.3 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

  • Semisopochnoi
    Distance: 109 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Little Sitkin
    Distance: 117 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 126 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 137 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 167 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 274 km ·Stratovolcano ·Elevation: 656 m ·United States

Subsequent earthquakes nearby

Events recorded after this earthquake within 250 km. They are not automatically classified as aftershocks.

First 6 hours4
First 24 hours4
First 72 hours4
Strongest subsequent eventM5.9
M5.82026-05-09 04:42:23 UTC14.7 km###.# km ( ###.# mi) NW (az= 306.5) from Wendover, UT M5.32026-05-09 04:42:23 UTC4.7 kmRat Islands, Aleutian Islands, Alaska M5.92026-05-09 04:42:25 UTC51.4 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.82026-05-09 04:42:26 UTC49.4 kmRAT ISLANDS, ALEUTIAN ISLANDS M3.92026-05-13 03:37:20 UTC10.3 km295 km WSW of Adak, Alaska M3.62026-05-17 22:54:18 UTC191.1 kmAlaska M3.62026-05-17 22:54:20 UTC189.1 kmAlaska M0.72026-05-22 18:34:33 UTC158.7 kmUnorganized Borough M4.02026-05-25 05:28:14 UTC7.0 kmRAT ISLANDS, ALEUTIAN ISLANDS M3.72026-05-25 05:50:07 UTC243.3 kmANDREANOF ISLANDS, ALEUTIAN IS. M2.62026-05-26 21:56:37 UTC145.9 km161 km WSW of Adak, Alaska M2.62026-05-26 22:54:50 UTC187.1 kmAlaska

Comparison of seismic sources

2 sources currently report magnitudes from M5.6 to M6.1.

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

SourceMagnitudeDepthPosition difference
NNSNM5.616.3 km0.0 km
USGSM6.116.3 km0.0 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 250 km.

Magnitude rank#3
Earlier events M≥4208
Earlier events M≥597
Compared since2025-01-02

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 UTC243.2 km224 km ESE of Attu Station, Alaska M6.42026-03-04 17:54:36 UTC243.2 km###.# km ( ###.# mi) NW (az= 308.7) from Wendover, UT M6.12026-03-04 17:54:35 UTC101.5 km M6.12026-01-15 08:52:45 UTC180.5 kmRat Islands, Aleutian Islands, United States [Sea: United States] M6.12025-08-28 11:07:35 UTC140.8 kmRat Islands, Aleutian Islands

Stats (last 24h)

Global (24h)
588
Country (24h)
—
—
Current earthquakes in
Magnitude Place Local time
No recent events available.

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