ESC 1000 Lecture Notes - Lecture 1: Damages, Plate Tectonics, Megathrust Earthquake
19 Apr 2016
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Summarize the events that caused devastation in indonesia in 2004. The world"s strongest earthquake in 40 years struck with a 9. 1 magnitude. Force: a push or a pull that causes or tends to cause, change in the motion of a body. It is commonly expressed as the amount of acceleration experienced by a mass. Stress: the amount of force divided by the area where force is applied. Sketch and explain the three types of stress, providing examples of the types of structures each forms. : when stress pushes in on rock, the stress is an inward direction. Result: causes rock to fracture and slip past one another - fault. : when stress is directed outward, pulling the rock. Result: tension forms fractures and if fluids are deposited, a vein is formed. Result: a fault is formed. vvv: as if stresses on the edges of a black were applied in opposite directions.
