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Evolution of tsunami warning systems AFTER major tsunamis.
| tsunami | resulting tsunami warning system |
|---|---|
| 1896 Japan | Japan-1941 |
| 1946 Alaska, USA | USA-1949 |
| 1952 Kamchatka, Russia | Russia-1954 |
| 1960 Chile | International Pacific Basin-1965 |
| 1964 Alaska, USA | French Polynesia-1965 |
| 2004 Sumatra, Indonesia | Global- 2007 |
