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M5.9 Depth: 17.2 km

M5.9 Earthquake near Rat Islands, Aleutian Islands, United States [Sea: United States]

UTC time: 2026-05-09 04:42:25 UTC Local time: —

About this earthquake

On May 9, 2026 at 04:42 UTC, a magnitude M5.9 earthquake occurred near Rat Islands, Aleutian Islands, United States [Sea: United States]. With a focal depth of about 17 km, this was a shallow earthquake, whose shaking is usually felt more strongly at the surface. Earthquakes of this magnitude can damage poorly built structures.

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

Details

Magnitude
M5.9
Depth
17.2 km
UTC time
2026-05-09 04:42:25 UTC
Local time
—
Country
—
Source
ingv
Coordinates
51.39840, 179.53100
Temperature
4.3°C

Map

Depth profile

Depth profile Depth: 17.2 km (Shallow) Surface Shallow Intermediate Deep 0 km 70 km 300 km 700 km 17.2 km
Shallow
17.2 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: 59 km ·Stratovolcano ·Elevation: 1'221 m ·Last eruption: 2023 ·United States
  • Little Sitkin
    Distance: 92 km ·Stratovolcano ·Elevation: 1'174 m ·Last eruption: 1830 ·United States
  • Davidof
    Distance: 104 km ·Stratovolcano ·Elevation: 328 m ·United States
  • Segula
    Distance: 118 km ·Stratovolcano ·Elevation: 1'160 m ·United States
  • Kiska
    Distance: 154 km ·Stratovolcano ·Elevation: 1'220 m ·Last eruption: 1990 ·United States
  • Buldir
    Distance: 270 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 hours1
First 72 hours1
Strongest subsequent eventM5.8
M5.82026-05-09 04:42:26 UTC5.6 km M3.92026-05-13 03:37:20 UTC47.0 km295 km WSW of Adak, Alaska M0.72026-05-22 18:34:33 UTC116.4 kmUnorganized Borough M4.02026-05-25 05:28:14 UTC47.7 km M2.62026-05-26 21:56:37 UTC108.8 km161 km WSW of Adak, Alaska M4.62026-05-27 05:57:10 UTC79.7 km M4.62026-05-27 05:57:11 UTC78.6 kmRat Islands, Aleutian Islands, Alaska M4.82026-05-27 05:57:12 UTC58.1 kmRat Islands, Aleutian Islands M3.12026-05-27 21:50:21 UTC119.0 km M1.72026-05-27 23:50:27 UTC103.1 kmRat Islands, Aleutian Islands, Alaska M3.32026-05-28 05:03:42 UTC67.8 km M4.22026-06-06 14:49:00 UTC38.5 km

Historical context nearby

Comparison with recorded earthquakes before this event within 150 km.

Magnitude rank#3
Earlier events M≥491
Earlier events M≥549
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 UTC51.4 kmRat Islands, Aleutian Islands, Alaska M6.12025-08-28 11:07:35 UTC90.2 kmRat Islands, Aleutian Islands M5.92025-08-28 11:07:50 UTC81.2 kmRat Islands, Aleutian Islands, United States [Sea: United States] M5.92025-08-28 11:07:48 UTC70.7 km241 km W of Adak, Alaska M5.92025-08-28 11:07:48 UTC94.8 km

Stats (last 24h)

Global (24h)
657
Country (24h)
—
—
Current earthquakes in
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No recent events available.

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