Quick Answer: What is the definition of tsunami wavelength quizlet?

What is a typical tsunami wavelength quizlet?

What is a typical tsunami wavelength? More than 200 km (124.3 Miles.

What is a tsunami wave quizlet?

A tsunami is a long high sea wave caused by an earthquake, submarine landslide, or other disturbances. As a tsunami nears the coastline, it may rise to several feet, and can cause great loss of life and property damage when it comes ashore. … A tsunami can occur at any time.

What happened to tsunami wavelength when wave arrives near the coast?

As a tsunami enters shallow water near coastal shorelines, it slows to 20 to 30 mph. The wavelength decreases, the height increases, and currents intensify.

What is a tsunami quizlet oceanography?

A tsunami is a series of water waves (“splash waves”). They can happen in lakes, frequently in Japan, many different causes. Tsunami. A series of waves with very long wavelengths (100-200 km) and periods (10-80 minutes). Their periods are much longer than storm-generated swell.

What is tsunami runup?

Panel 4—Runup: Tsunami runup occurs when a peak in the tsunami wave travels from the near-shore region onto shore. Runup is a measurement of the height of the water onshore observed above a reference sea level. … Tsunamis will often travel much farther inland than normal waves.

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How does a tsunami wave travel through the ocean quizlet?

-The front of the overriding plate extends seaward while the coastline drops. This pushes water upwards into pile that then sinks back down, generating the first and most powerful tsunami wave. The up-and-down motion continues with a period of 20-30 minutes, generating successive tsunami waves of lesser magnitude.

What is the typical tsunami speed in the deep ocean quizlet?

Tsunami move at high speeds – 750 kilometers (470 miles) per hour is typical. Is a tsunami a shallow-water wave or a deep-water wave? Tsunami are shallow-water waves. Half their wavelength would be 100 kilometers (62 miles), and even the deepest ocean trenches do not exceed 11 kilometers (7 miles) in depth.

What kind of wave is a tsunami?

A tsunami is an ocean wave triggered by large earthquakes that occur near or under the ocean, volcanic eruptions, submarine landslides, or by onshore landslides in which large volumes of debris fall into the water.

How is tsunami different from a normal wave?

A tsunami is a series of huge waves. … Tsunamis occur as a result of the movement of a huge volume of seawater from the seabed to the sea surface, whereas ocean waves are caused by the movement of wind over the sea surface. Tide embankments can protect us from ocean waves, but are sometimes overwhelmed by tsunamis.