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Earthquake 7

QuestionAnswer
Primary waves the first waves to go; compress and expand the ground like an accordian; can travel through liquid and solid
Secondary waves arrive after P waves; vibrate land from side to side and up and down; travel through solid
Surface waves created when S waves and P waves reach the surface; moves the ground like ocean waves
Epicenter the point on the surface above focus
Focus area beneath Earth's surface where rock that is under stress breaks, triggering an earthquake
Fault a break in the rock of the crust
Elastic Rebound theory the crust gradually stores stress and is released during an earthquake
Liquefaction when water in the soil is shaken to make a liquid mud
Ring of fire The ring of fire is where most earthquakes happen and is located around the pacific
Normal fault divergant; tension
Reverse fault convergant; compression
Strike-slip fault transform/lateral; shearing
Created by: eehinsdale
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