American Samoa, 2025

Tsunami in American Samoa, July 29 to 30, 2025

July 29 to 30, 2025 · NWS ASO · 5 events in 1 county or zone

8 magnitude earthquake struck off the coast of Kamchatka, Russia. This triggered a Tsunami Advisory from the Pacific Tsunami Warning Center (PTWC) for all of American Samoa's islands at 2:39 PM SST.

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
5

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS ASO wrote it up.

On Tuesday, July 29th, at 12:25 PM SST, an 8.8 magnitude earthquake struck off the coast of Kamchatka, Russia. This triggered a Tsunami Advisory from the Pacific Tsunami Warning Center (PTWC) for all of American Samoa's islands at 2:39 PM SST.

Reports of coastal inundation occurred late on the 29th and into the early morning of the 30th. Water covered coastal roadways in Fagasa Village and several villages along Pago Pago Harbor. The PTWC canceled the advisory at 2:19 AM.

Event by event

5 tsunami. Local standard time, as filed.

Tsunami, Tutuila

When
July 29, 10:00 PM SST to July 30, 3:00 AM SST
Where
Tutuila forecast zone
Reported by
Public

A Starkist employee reported water from Pago Pago Harbor entered buildings at the Starkist plant in Anua and Atu'u Villages. Damage to the facility is unknown.

Tsunami, Tutuila

When
July 29, 10:00 PM SST to July 30, 3:00 AM SST
Where
Tutuila forecast zone
Reported by
Social Media

A Facebook Post from Fagasa Village Worldwide shows coastal inundation with water from Fagasa Bay moving over coastal roadways along Fagasa Village. Damage from the inundation is unknown.

Tsunami, Tutuila

When
July 29, 10:00 PM SST to July 30, 3:00 AM SST
Where
Tutuila forecast zone
Reported by
Social Media

A Facebook video from LillyJulia-Aniva Fanene shows coastal inundation from Pago Pago Harbor onto coastal roadways in Aua village. Damage from the inundation are unknown.

Tsunami, Tutuila

When
July 29, 10:00 PM SST to July 30, 3:00 AM SST
Where
Tutuila forecast zone
Reported by
Local Official

Surveillance video from the American Samoa Shipyard Services Authority shows inundation onto the shipyard's property from Pago Pago Harbor. Damage from the inundation are unknown.

Tsunami, Tutuila

When
July 30, 10:00 AM SST to 11:00 AM SST
Where
Tutuila forecast zone
Reported by
Local Official

Harbormaster confirmed minor coastal flooding of Marina.

What these are

Tsunami
A series of waves caused by an undersea earthquake, landslide or eruption.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in American Samoa in 2025Every state in 2025This day in weather historyWarnings in American Samoa, July 2025

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 2026-10-01. Each event’s entry at NCEI: 1284605, 1285516, 1285517, 1285518, 1282906.