Generation Mechanisms
The principal generation mechanism (or cause) of a tsunami is the displacement of a substantial volume of water or perturbation of the sea. This displacement of water is usually attributed to either earthquakes, landslides, volcanic eruptions, glacier calvings or more rarely by meteorites and nuclear tests. The waves formed in this way are then sustained by gravity. Tides do not play any part in the generation of tsunamis.
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“I think one of the nicest things that we created as a generation was just the fact that we could say, Hey, I don’t like white people.”
—Nikki Giovanni (b. 1943)
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