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The 2004 Indian Ocean tsunami was the deadliest tsunami in history. In total, 227,899 people were killed or went missing, and are presumed dead, in 15 countries across South Asia, East and Southern Africa and in the Indian Ocean. Approximately 1.7 million people were displaced by the earthquake and subsequent tsunami. Earthquake and tsunami death tolls could not be separated, as the tsunami waves followed within as few as 20 minutes.

This poster summarizes the 2004 tsunami observations and images made available to the International Tsunami Information Centre (ITIC), a UNESCO-IOC / NOAA partnership, and NOAA’s National Centers for Environmental Information (NCEI) and co-located World Data Service (WDS) for Geophysics