June 23, 2014 Tsunami: Aleutian Islands, AK, United States
A tsunami caused by a magnitude 7.9 earthquake began at Aleutian Islands, AK, United States on June 23, 2014 at 20:53:09 UTC. The water rose as high as 0.17 meters. Its effects were recorded at 20 places in at least 3 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 23, 2014, 20:53:09 UTC
- Source
- Aleutian Islands, AK, United States
- Cause
- Earthquake
- Earthquake
- Magnitude 7.9, 109 km deep
- Maximum water height
- 0.17 m (0.6 ft)
- Runups recorded
- 20
- Waters
- Ocean
- How certain
- Definite tsunami
- Source location
- 51.849° N, 178.735° E
The toll
The record gives no deaths, injuries or damage for this tsunami.
What the record says
NCEI’s account, from the sources it cites.
A tsunami with wave heights in centimeters (above sea level) was recorded at the following tide gauges: 17 on Amchitka, 12 on Atka, 8 at Dutch Harbor, 8 at Nikolski, 8 on Saint Paul, 6 on Adak and 6 on Shemya; 10 at Kahului, 5 at Hanalei, 4 at Haleiwa and 3 at Makapuu, Hawaii; 3 on Midway. (reference #13456)
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 |
|---|---|---|---|---|---|---|---|
| Amchitka, AK, AK | United States | 66 | 0.17 | Tide gauge (half the maximum wave height) | day 23, 20:57 | ||
| Adak, Sweeper Cove, AK, AK | United States | 319 | 0.06 | Tide gauge (half the maximum wave height) | |||
| Shemya Island, AK, AK | United States | 331 | 0.06 | Tide gauge (half the maximum wave height) | |||
| Atka Island, AK, AK | United States | 488 | 0.12 | Tide gauge (half the maximum wave height) | day 23, 21:30 | ||
| Nikolski, AK, AK | United States | 851 | 0.08 | Tide gauge (half the maximum wave height) | day 23, 22:30 | ||
| Saint Paul Island, AK, AK | United States | 921 | 0.08 | Tide gauge (half the maximum wave height) | day 23, 23:04 | ||
| Unalaska, Dutch Harbor, AK, AK | United States | 1,016 | 0.08 | Tide gauge (half the maximum wave height) | day 23, 22:52 | ||
| Midway Islands, HI | US Territories | 2,644 | 0.03 | Tide gauge (half the maximum wave height) | day 24, 00:08 | ||
| Henslung Cove, British Columbia, BC | Canada | 3,186 | 0.02 | Tide gauge (half the maximum wave height) | day 24, 02:28 | ||
| Qlawzeet, British Columbia, BC | Canada | 3,330 | 0.01 | Tide gauge (half the maximum wave height) | |||
| Moore Island, British Columbia, BC | Canada | 3,464 | 0.03 | Tide gauge (half the maximum wave height) | day 24, 03:37 | ||
| Bella Bella, British Columbia, BC | Canada | 3,565 | 0.02 | Tide gauge (half the maximum wave height) | day 24, 03:59 | ||
| Winter Harbor, British Columbia, BC | Canada | 3,642 | 0.03 | Tide gauge (half the maximum wave height) | day 24, 03:13 | ||
| Siwash Bay, British Columbia, BC | Canada | 3,784 | 0.02 | Tide gauge (half the maximum wave height) | day 24, 05:08 | ||
| Hanalei, Kauai, HI, HI | United States | 3,785 | 0.05 | Tide gauge (half the maximum wave height) | day 24, 02:55 | ||
| Tofino (Clayoquot),british Columbia, BC | Canada | 3,843 | 0.02 | Tide gauge (half the maximum wave height) | day 24, 03:21 | ||
| Haleiwa, Oahu, HI, HI | United States | 3,907 | 0.04 | Tide gauge (half the maximum wave height) | day 24, 02:35 | ||
| Makapuu Point, Oahu, HI, HI | United States | 3,954 | 0.03 | Tide gauge (half the maximum wave height) | day 24, 01:44 | ||
| Victoria, British Columbia, BC | Canada | 4,046 | 0.01 | Tide gauge (half the maximum wave height) | day 24, 04:47 | ||
| Kahului, Maui, HI, HI | United States | 4,049 | 0.1 | Tide gauge (half the maximum wave height) | day 24, 01:50 |
More
Every tsunami in 2014The 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 5571.