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(primarily taken from a 5-college lecture by R. Burger, Smith Geology Dept.)

Tsunami• Seismic sea waves• Generated by undersea movements

(earthquakes, landslides, volcanoes) • Literally, “harbor wave”

Tsunami• Wavelength is LONG (~200 km!)

• Behave as shallow water waves (D<L/20)

Tsunami

• Wave height increases as land is approached.

• Velocity decreases dramatically.

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Small landslide (actually ice slide) wave movie

Asteroid movie Long Island impact movie

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NOVA “Wave that Shook the World” excerpt

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