Answer:
Following the attached illustration as sample, create your own graphic organizer by filling in the following information. Place similar information (description, occurrence) near one another similar shapes for easy recognition.
Explanation:
Title
Tsunami
Definition
Tsunami is a Japanese word for harbor wave.
Description
- Tsunami is a series of waves that are produced by the sudden movement of the seabed---earthquakes, volcanic eruptions. underwater landslide or even an asteroid.
- They are set off by earthquakes occurring at a depth of less than 50 meters measuring at least 6.5 in magnitude.
- At a magnitude of eight (8), a tsunami can be devastating.
Occurrence
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It occurs mainly in regions of strong tectonic activity.
- The shifts of the ocean floor caused water to be folded, lowering the sea level and deforming the surface of the ocean.
- Seismic waves are produced which in turn trigger another series of waves in deep water far from the epicenter of the earthquake.
- It can reach a few thousand centimeters, but its height increases as the bottom of the ocean floor rises.
- Waves can take on speed of 500 to 800 kilometers per hour when the water is very deep, decreasing in speed to about 20 or 30 kilometers per hour as they approach the coast.
- Waves can reach heights of up to 30 meters, breaking one after the other at intervals of 10 to 40 minutes sweeping away everything in their path.
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