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M5.3 Depth: 50.0 km

M5.3 Earthquake near Rat Islands, Aleutian Islands, Alaska

UTC time: 2026-05-09 04:42:23 UTC Local time: —

About this earthquake

On May 9, 2026 at 04:42 UTC, a magnitude M5.3 earthquake occurred near Rat Islands, Aleutian Islands, Alaska. The hypocenter lay relatively close to the surface at around 50 km, increasing how strongly it was felt. Events of this size can cause damage near the epicenter.

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

Details

Magnitude
M5.3
Depth
50.0 km
UTC time
2026-05-09 04:42:23 UTC
Local time
—
Country
—
Source
usgs
Coordinates
50.97200, 179.14900
Temperature
4.4°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: 111 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: 125 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 136 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 165 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 271 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 hours2
First 24 hours2
First 72 hours2
Strongest subsequent eventM5.9
M5.92026-05-09 04:42:25 UTC54.4 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.82026-05-09 04:42:26 UTC52.0 km M3.92026-05-13 03:37:20 UTC14.9 km295 km WSW of Adak, Alaska M4.02026-05-25 05:28:14 UTC11.7 km M4.62026-05-27 05:57:10 UTC29.7 km M4.62026-05-27 05:57:11 UTC29.6 kmRat Islands, Aleutian Islands, Alaska M4.82026-05-27 05:57:12 UTC22.9 kmRat Islands, Aleutian Islands M3.12026-05-27 21:50:21 UTC123.2 km M1.72026-05-27 23:50:27 UTC126.2 kmRat Islands, Aleutian Islands, Alaska M3.32026-05-28 05:03:42 UTC107.5 km M4.22026-06-06 14:49:00 UTC73.0 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#24
Earlier events M≥480
Earlier events M≥542
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 UTC4.7 kmRat Islands, Aleutian Islands, Alaska M6.12025-08-28 11:07:35 UTC143.2 kmRat Islands, Aleutian Islands M5.92025-08-28 11:07:50 UTC135.3 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.92025-08-28 11:07:48 UTC124.5 km241 km W of Adak, Alaska M5.92025-08-28 11:07:48 UTC148.1 km

Stats (last 24h)

Global (24h)
670
Country (24h)
—
—
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No recent events available.

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