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World historical tsunami source events, 1900–2025

Historical tsunami source locations in the NOAA NCEI database for 1900 through 2025.

Preview of World historical tsunami source events, 1900–2025
NOAA NCEI / World Data Service

About this dataset

  • Each point is a source event location. Coastal wave observations and runup sites are not included.
  • Reported events range from very doubtful to definite. Inland disturbances and entries marked erroneous are excluded.
  • Use event year and cause to add historical context to a map.
  • Locations and dates can be uncertain for older events. These records do not define present tsunami hazard zones.
  • The source was retrieved on 15 September 2026 and filtered to 1900 through 2025.

Source and licence

NOAA NCEI / World Data Service

Licence: Public domain

GeoJSON download details

The download includes all 1,455 features as points. Coordinates use longitude and latitude in WGS84.

The preparation date is when we prepared this dataset. Read the source notes for the dates covered by the data.

GeoJSON fields 6
name
Source event location name.
event_id
NOAA event identifier.
year
Event year.
validity
NOAA confidence class for the reported tsunami.
cause_code
Source tsunami cause code.
source_url
NOAA source event record.