Tsunami LONG (~200 km!) water waves (D
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1 (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.
Transcript of Tsunami LONG (~200 km!) water waves (D
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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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