Earthquake · Aleutian Islands, Alaska
M6.1 earthquake near Rat Islands, Aleutian Islands, Alaska
A magnitude 6.1 earthquake struck Rat Islands, Aleutian Islands, Alaska on 9 May 2026 at 04:42 UTC, at a depth of 16 km.
- Magnitude
- 6.1 ml
- When
- 9 May 2026, 04:42 UTC
- Depth
- 16 km
- Location
- 50.98° N, 179.21° E
- Strongest shaking (estimated)
- Intensity V (moderate)
- Source
- USGS event page
What it means
A magnitude 6.1 is a strong earthquake; there are about 130 a year worldwide, and they can cause damage in populated areas near the epicentre. At 16 km deep it was a shallow earthquake, which usually means stronger shaking near the epicentre.
The magnitude may be revised as more data comes in. Read Earthquake magnitude explained for what the numbers mean.
Aftershocks
3 earthquakes of magnitude 4 or more within 150 km in the 30 days after; the largest was a magnitude 4.6.
| Mag | Where | When (UTC) |
|---|---|---|
| 4.6 | Rat Islands, Aleutian Islands, Alaska | 27 May 2026, 05:57 |
| 4.3 | 293 km WSW of Adak, Alaska | 10 May 2026, 07:28 |
| 4.2 | 239 km WSW of Adak, Alaska | 6 June 2026, 14:48 |
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