What causes a tsunami?
Tsunami Flashcard

Flashcard
•
Science
•
11th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
A tsunami is caused by a large and sudden displacement of the ocean, often due to underwater earthquakes, volcanic eruptions, or landslides.
2.
FLASHCARD QUESTION
Front
How do tsunamis spread from their source?
Back
Tsunamis spread outward in all directions from their source, affecting vast areas of the ocean.
3.
FLASHCARD QUESTION
Front
What can strong water currents from tsunamis do?
Back
Strong water currents from tsunamis can damage boats and harbors, posing significant risks to maritime activities.
4.
FLASHCARD QUESTION
Front
What is the main difference in movement between tsunami waves and wind waves?
Back
Tsunami waves move through the entire water column, while wind waves primarily impact the surface.
5.
FLASHCARD QUESTION
Front
Where are tsunamis most frequent?
Back
Tsunamis are most frequent near active plate boundaries, where tectonic activity is common.
6.
FLASHCARD QUESTION
Front
Define tsunami.
Back
A tsunami is a series of ocean waves caused by the displacement of a large volume of water, typically due to seismic activity.
7.
FLASHCARD QUESTION
Front
What is the typical speed of a tsunami in deep water?
Back
In deep water, tsunamis can travel at speeds of up to 500-800 km/h (310-500 mph).
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