June 24, 2011 Tsunami: Atka, Aleutian Islands, AK, United States
A tsunami caused by a magnitude 7.3 earthquake began at Atka, Aleutian Islands, AK, United States on June 24, 2011 at 03:09:39 UTC. The water rose as high as 0.1 meters. Its effects were recorded at 7 places in at least 2 countries.
Where the waves reached
The source (white) and every runup with a place, colored by the water height recorded there. A ring is a runup NCEI marks doubtful.
- Under 1 m
- 1 to 3 m
- 3 to 10 m
- 10 to 30 m
- 30 m and more
- Height not recorded
The tsunami
- Date
- June 24, 2011, 03:09:39 UTC
- Source
- Atka, Aleutian Islands, AK, United States
- Cause
- Earthquake
- Earthquake
- Magnitude 7.3, 52 km deep
- Maximum water height
- 0.1 m (0.3 ft)
- Runups recorded
- 7
- Waters
- Ocean
- How certain
- Definite tsunami
- Source location
- 52.050° N, 171.836° W
The toll
The record gives no deaths, injuries or damage for this tsunami.
Every runup
Nearest the source first. Heights are above sea level at the time; a tide gauge reads half the wave’s full height.
| Where | Country | Km from source | Water height, m | Inland, m | Measured by | First wave, UTC | Deaths |
|---|---|---|---|---|---|---|---|
| Nikolski, AK, AK | United States | 224 | 0.1 | Tide gauge (half the maximum wave height) | day 24, 04:13 | ||
| Adak, Sweeper Cove, AK, AK | United States | 330 | 0.06 | Tide gauge (half the maximum wave height) | day 24, 04:12 | ||
| Akutan, AK, AK | United States | 467 | 0.04 | Tide gauge (half the maximum wave height) | day 24, 04:43 | ||
| Saint Paul Island, AK, AK | United States | 574 | 0.09 | Tide gauge (half the maximum wave height) | day 24, 05:15 | ||
| Midway Islands, HI | US Territories | 2,686 | 0.04 | Tide gauge (half the maximum wave height) | day 24, 06:37 | ||
| Nawiliwili, Kauai, HI, HI | United States | 3,509 | 0.04 | Tide gauge (half the maximum wave height) | day 24, 07:37 | ||
| Hilo, Hawaii, HI, HI | United States | 3,872 | 0.06 | Tide gauge (half the maximum wave height) | day 24, 08:08 |
More
Every tsunami in 2011The 2000sTsunamis of United StatesThe earthquakeThis day in weather historyAlerts in force
Sources
Tsunami events and runups from NOAA’s National Centers for Environmental Information, Global Historical Hazard Database, cited as NCEI/WDS, doi:10.7289/V5PN93H7. Public domain. Read 2026-09-24. NCEI tsunami event 5432.