Dec 30, 2025 · tsunami, catastrophic ocean wave, usually caused by a submarine earthquake, an underwater or coastal landslide, or a volcanic eruption. The term tidal wave is frequently used …

A tsunami (/ (t) suːˈnɑːmi, (t) sʊˈ -/ (t)soo-NAH-mee, (t)suu-; [1][2][3][4] from Japanese: 津波, lit. 'harbour wave', [5] pronounced [tsɯnami]) is a series of waves in a water body caused by the …

Dec 6, 2024 · A tsunami is a series of waves generated by a large and sudden displacement of the ocean. Large earthquakes below or near the ocean floor are the most common cause, but …

A tsunami is one the most powerful and destructive natural forces. It is a series of waves (not just one) caused by a large and sudden displacement of the ocean. Tsunamis radiate outward in …

Jul 30, 2025 · Tsunamis are a series of giant waves caused by undersea earthquakes at tectonic plate boundaries, or volcanic eruptions. Both displace massive amounts of water, which …

Oct 3, 2018 · A tsunami is a series of ocean waves that sends surges of water, sometimes reaching heights of over 100 feet (30.5 meters), onto land.

Aug 23, 2023 · A tsunami is a series of enormous ocean waves that results from the rapid displacement of a large volume of water. The waves often rise to a height of over 30 meters …

Jun 16, 2025 · A tsunami is a series of powerful ocean waves caused by large-scale disturbances, most commonly underwater earthquakes, but also by volcanic eruptions, landslides, and even, …

May 22, 2025 · Potentially imperceptible in deep water, a tsunami increases in height as it encounters the shallow waters of shore, often leading to extensive wreckage and loss.

A tsunami travels at a speed related to the water depth, so as it moves from the deep ocean to shallower water it slows. Its energy flux, which is dependent on both its wave speed and …