Tsunami in Alaska

2 tsunami events since 2025

Every tsunami event the National Weather Service has filed in Alaska, year by year, with the most significant episodes. A series of waves caused by an undersea earthquake, landslide or eruption.

The most significant on the map

The most significant tsunami episodes in Alaska.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar

The record

Events: 2
Deaths: 0
Injuries: 0
Damage: None recorded

Every year

The most significant

Ranked by deaths, injuries, damage and size together.

Tsunami in Alaska, August 10, 20252 eventsUSGS and the Alaska Earthquake Center reported that seismic activity was measured at 526am AKDT on the 10th of August in vicinity of Tracy Arm south of Juneau.

Tsunami everywhere Every kind of event in Alaska

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.