Tsunami — Tutuila, American Samoa

2025-07-30 · Tutuila, American Samoa

Event narrative

Harbormaster confirmed minor coastal flooding of Marina.

Wider weather episode

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.

Source: NOAA Storm Events Database, event_id 1282906. Narrative written by the NWS forecast office that issued the report.