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What is the difference between a shortage and scarcity?
Seismographs
Instruments that measure and record details of earthquakes, such as force and duration, by detecting ground motion.
Tsunami
Enormously long oceanic waves generated by major events like quakes, volcano eruptions, or subaquatic landslides.
P-Wave
A type of seismic wave that compresses and expands material in the direction it is traveling, and is the fastest kind of seismic wave.
Rogue Wave
A large, unexpected, and suddenly appearing surface wave that can be extremely dangerous, even to large ships.
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