Animation of the 2011 Sendai tsunami.

Tsunami warning system or TWS detects tsunamis and issues warnings to prevent loss of life and property. It consists of two equally important components: a network of sensors to detect tsunamis and a communications infrastructure to issue timely alarms to start evacuation before the big waves reach the land to let the people to rush to safety.[1]

There are two distinct types of tsunami warning systems: international and regional.[2] Both of those systems depend on the fact that tsunami waves travel, approximately, 15-30 times slower than seismic waves.[3]

Notes

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  1. ↑ "Pacific Tsunamy Warning Center". Archived from the original on 2011-03-13. Retrieved 2021-01-01.
  2. ↑ "NOAA Tsunami Warnings and Forecasts". Archived from the original on 2011-04-18. Retrieved 2011-03-21.
  3. ↑ Images for seismic waves
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