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Earh's Dynamic 2
Crust & Interior
Term | Definition |
---|---|
Epicenter | Point on Earth’s surface directly above the focus |
Fault | Crack in Earth’s crust where movement occurs |
Focus | Point in Earth’s crust where earthquake actually occurs |
Hot Spot | Location of high heat flow which heats up crust in an isolated location not along plate boundary |
Island Arc | Chain of volcano islands where an oceanic plate sub ducts under another oceanic plate |
Isostacy | Crust’s property of being buoyant is displayed in this concept |
Lava | Liquid rock on Earth’s surface |
Lithosphere | Layer of Earth composed of crust and rigid mantle |
magma | Liquid rock below Earth Surface |
Mercalli Scale | Earthquakes ranking method based on amount of destruction |