Chapter 4 is about seabed features, and the process of plate movement. The continents are old but the ocean floors are young do to volcanic activity from the ocean ridges. It is was difficult and complicated process for oceanographers and geologists to find about the shape of seabed. Seafloor features result from a combination of tectonic activity and the processes of erosion and deposition. Guyots are the ...
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...s are calm and have sea creatures just enjoying their passive life. However, oceanic ridges, volcanic activity, earthquakes due to subduction and collision of oceanic plates is something spectacular and breathtaking! Also, it is amazing how beautiful islands like Hawaii were formed from volcanic activity above the hot spots and how these islands are in a chain due to plate movement.
1. Is the Puget Sound area at risk of going underwater (below the sea level) in case of severe earthquake? If so, in how many years this catastrophe will happen?
2. If mountain Rainer erupts, what may be the consequences for Seattle area?
3. What are the features of the Mariana trench? What are some interesting sea creatures that inhabit Mariana trench?
4. Let’s say in a thousand of years, where will the continents be located in the ocean due to plate tectonics and continental movement?
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