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M5.8 Depth: 50.0 km

M5.8 Earthquake near RAT ISLANDS, ALEUTIAN ISLANDS

UTC time: 2026-05-09 04:42:26 UTC Local time: —

About this earthquake

On May 9, 2026 at 04:42 UTC, a magnitude M5.8 earthquake occurred near RAT ISLANDS, ALEUTIAN ISLANDS. With a focal depth of about 50 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 EMSC.

Details

Magnitude
M5.8
Depth
50.0 km
UTC time
2026-05-09 04:42:26 UTC
Local time
—
Country
—
Source
emsc
Coordinates
51.40000, 179.45000
Temperature
4.3°C

Map

Depth profile

Depth profile Depth: 50 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 50 km
Shallow
50 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: 60 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Little Sitkin
    Distance: 87 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 100 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 113 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 149 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 265 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 hours0
First 24 hours0
First 72 hours0
Strongest subsequent eventM4.8
M3.92026-05-13 03:37:20 UTC46.0 km295 km WSW of Adak, Alaska M0.72026-05-22 18:34:33 UTC121.5 kmUnorganized Borough M4.02026-05-25 05:28:14 UTC46.4 km M2.62026-05-26 21:56:37 UTC114.2 km161 km WSW of Adak, Alaska M4.62026-05-27 05:57:10 UTC76.2 km M4.62026-05-27 05:57:11 UTC75.0 kmRat Islands, Aleutian Islands, Alaska M4.82026-05-27 05:57:12 UTC53.8 kmRat Islands, Aleutian Islands M3.12026-05-27 21:50:21 UTC113.7 km M1.72026-05-27 23:50:27 UTC98.8 kmRat Islands, Aleutian Islands, Alaska M3.32026-05-28 05:03:42 UTC73.4 km M4.22026-06-06 14:49:00 UTC43.9 km M3.62026-06-07 20:54:27 UTC149.1 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#8
Earlier events M≥486
Earlier events M≥545
Compared since2025-01-30

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

Strongest earlier events

M6.12026-05-09 04:42:22 UTC49.4 kmRat Islands, Aleutian Islands, Alaska M6.12025-08-28 11:07:35 UTC91.5 kmRat Islands, Aleutian Islands M5.92026-05-09 04:42:25 UTC5.6 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.92025-08-28 11:07:50 UTC83.3 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.92025-08-28 11:07:48 UTC72.5 km241 km W of Adak, Alaska

Stats (last 24h)

Global (24h)
668
Country (24h)
—
—
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