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Tectonic Plates (Volcanoes (Volcanic Hazards: (Pyroclastic flows, Lahars,…
Tectonic Plates
Volcanoes
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Volcanic Hazards:
Pyroclastic flows, Lahars, Volcanic bomb, Lava flows, volcanic ash.
Activity: - Active, dormant, extinct.
Creates: - Mid Ocean Ridges, Volcanic islands, Volcanic Mountains
Earthquakes
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Structure of Earthquake: Focus, Epicenter and fault
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The Earth
Structure
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Crust
- 10 - 60 km thick + solid rock
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Fold Mountains
Types
Caledonian
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400,000 million years old
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Alpine
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- 25 - 35 million years old