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The tidal range is the vertical difference between the high tide and the succeeding low tide. Tides are the rise and fall of sea levels caused by the combined effects of the gravitational forces exerted by the Moon and the Sun and the rotation of the Earth.
Strictly speaking, a tidal wave is one caused by the movement of the tide, which in turn results from the imbalanced, extraterrestrial, gravitational influences of the moon, sun, and planets, whereas a tsunami is specifically generated by a violent, impulsive undersea disturbance or activity near the coast or in the ocean, such as an earthquake, ...