{"entry":{"slug":"world-tsunami-source-events-1900-2025","kind":"dataset","title":"World historical tsunami source events, 1900–2025","description":"Historical tsunami source locations in the NOAA NCEI database for 1900 through 2025.","topic":"Tsunamis","region":"World","updated":"2026-09-15","preview":"/library/world-tsunami-source-events-1900-2025.d202aabf3aa6.webp","assetId":"world-tsunami-source-events-1900-2025","sourcePage":"https://www.ncei.noaa.gov/products/natural-hazards/tsunamis-earthquakes-volcanoes/tsunamis/global-historical-data","notes":["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."],"related":[],"preset":{"color":"#2563eb","fillOpacity":0.28,"basemap":"carto","bounds":[-179.971,-69.417,179.984,78.37]},"period":"1900–2025"},"asset":{"id":"world-tsunami-source-events-1900-2025","version":"78d7dc899296","url":"/library/world-tsunami-source-events-1900-2025.78d7dc899296.geojson","sha256":"78d7dc8992964f8260322e31b4d90276eedb3a10f3224a89b87a3584a5b66abb","bytes":395858,"featureCount":1455,"geometryTypes":["Point"],"source":{"name":"NOAA NCEI / World Data Service","url":"https://www.ncei.noaa.gov/products/natural-hazards/tsunamis-earthquakes-volcanoes/tsunamis/global-historical-data","license":"Public domain","licenseUrl":"https://data.ngdc.noaa.gov/ngdcinfo/privacy.html","attribution":"NOAA NCEI / World Data Service"},"fields":[{"name":"name","description":"Source event location name."},{"name":"event_id","description":"NOAA event identifier."},{"name":"year","description":"Event year."},{"name":"validity","description":"NOAA confidence class for the reported tsunami."},{"name":"cause_code","description":"Source tsunami cause code."},{"name":"source_url","description":"NOAA source event record."}]}}