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7353151
Formation of Tsunamis
Description
How a Tsunami is formed following an earthquake and their characteristics.
No tags specified
alevel
geography
waves
tsunami
natural hazards
earthquakes
geography
natural hazards
a level
Mind Map by
Evie Davis
, updated more than 1 year ago
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Created by
Evie Davis
almost 8 years ago
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Resource summary
Formation of Tsunamis
Step 1
Step 2
Step 3
Characteristics
Ratio between the water depth and its wavelength is very small
In very deep water, a tsunami will travel at high speeds
Waves lose relatively little energy in deep water
The speed of the tsunami decreases as it enters shallower water, and the height of the wave grows
Bore: a step-like wave with a steep breaking front
Tsunamis may reach a maximum vertical height onshore above sea level of 30m
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