Tsunamis

Tsunamis of Japan

385 events with their source in Japan

Every tsunami NOAA records that began in or off Japan, oldest to newest.

Japan’s tsunamis on the map

At the source, colored by the highest water recorded. A ring is an event NCEI rates doubtful or questionable.

  • Under 1 m
  • 1 to 3 m
  • 3 to 10 m
  • 10 to 30 m
  • 30 m and more
  • Height not recorded

The record

Events
385
Probable or definite
303
Deaths counted
298,690

The deadliest

Every event

Newest first.

By country

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.