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Natural Disasters By: Patrick L. Abbott Chapter 2 Plate Tectonics and Earthquakes Overview Earth History The Layered Earth Isostasy Plate Tectonics Development of the Plate Tectonics Concept Overview (cont.) Magnetization of Volcanic Rocks Magnetization Patterns on the Sea Floors Some Other Evidence of Plate Tectonics The Grand Unifying Theory Earthquakes and Plate Tectonics Overview (cont.) Earthquakes and Spreading Centers Earthquakes and Convergent Zones Continent - Continent Collisions The Arabian Plate Earth History Origin Age analogy The Layered Earth Mantle Chondritic Isostasy Lithosphere Asthenosphere Buoyancy Acre feet Plate Tectonics Tectonic cycle Seafloor spreading Subduction Tectonics Topography Plates Development of the Plate Tectonics Concept Gondwanaland Continental drift Pangaea Magnetization of Volcanic Rocks Lava Curie point Magnetization Patterns on the Sea Floors Ridge Process Evidence Some Other Evidence of Plate Tectonics Earthquake Epicenters Epicenters Oceanic Mountain Ranges and Deep Trenches Spreading centers Trenches Deep Earthquakes Some Other Evidence of Plate Tectonics (cont.) Ages from the Ocean Basins “Hot spots” Plumes Mesosphere Fossils Systematic Increases in Seafloor Depth The Fit of the Continents Reef The Grand Unifying Theory Ridge Convection Uniformitarianism Earthquakes and Plate Tectonics Faults Tension The Process Earthquakes and Spreading Centers Iceland Red Sea and Gulf of Aden Rift Triple Junction Earthquakes and Convergent zones Subduction Zones Seismic-gap method Tokyo, Japan, 1923 Tsunami Chile, 1960 Continent-Continent Collisions Thrust Faulting Shaanxi Province, China, 1556 Loess Cohesion Tangshan, China, 1976 The Arabian Plate Collision Zone Earthquakes Armenia, December 1988 Transform Fault Earthquakes Dead Sea Fault Zone Turkey, 1999
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