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Tsunami
 What is it?
Can it be insured?
Can it be modeled? (quantifiable modeling)
What has changed since 2001?
What is a tsunami?
Tsunami" is a Japanese
word which translates as
"harbor wave“
Wavelength hundreds of
miles
Speeds of 500 mph +
What causes Tsunami?
Earthquakes
- Only a small fraction of earthquakes can generate
tsunami
Mega-tsunami (wave heights exceeding 1000 ft)
- Asteroid / comet impact
- Submarine landslide
- Collapsing volcanoes
Tsunami Generation - Earthquake
Tsunami Generation - Landslide
Wave modeling – Boxing Day Tsunami
What are the effects of tsunami
Open sea
Earthquake induced tsunami
- Typical inundation to several hundred yards from
shore
Mega tsunami
- Very large waves can inundate islands
Where do tsunamis occur?
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