There is a 4 to 36 times return on investment in early warning.
Global analysis estimates US$4–36 billion in annual benefits for roughly US$1 billion/year invested in modern early warning, including approx. 23,000 lives saved per year. (World Bank)
Step 3: Tsunami Damage assessment.
In order to protect life and property from the damage caused by a theoretical tsunami , The type and scale of potential damage must first be estimated . This estimate is derived from evaluations of damage caused by past tsunamis , along with current land use, population, agglomeration of buildings and industries in the at-risk community. The feasibility of evacuation is evaluated by comparing the time required to escape to safety zones from thestart of the evacuation to the estimated arrival time ofa tsunami . The starting time for evacuation should be set based on the warning system and evacuation plan of the target area.
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