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Lauren Earthquake

Earthquake Notes

Earthquake Sudden shaking, tremlbling or rolling of earths crust
Foreshock Earthquake before main quake and less severe
Aftershock Earthquake after main quake and less severe
Crust Outer shell of earth on top of mantle
Inner Core Inner solid sphere surrounded by liquid and made of very dense material
Mantle Layer of planet made of semimolten rock
Outer core Layer of planet made of liquid iron and nickel beneath mantle
Magma Semi molten rock found in the mantle below the crust
Geologist Scientist that studies + what it is made of
Seismology Study of earthquakes
Seismologist Scientist that studies earthquakes
Boundary Place where 2 plates come together. most quakes occur at boundaries.
Subduction When one plate pushes under another plate
Plate Techtonics theory of how plates move
Converge The movement of plates towards each other
Diverge movement of plates away from each other
Fault crack in earth's crust where movement has occured
Lateral plate movement movement of plates as they slide sideways past each other
Seismograph detects and records quake waves
Primary waves quake waves that are the first ones to reach the seismograph
Secondary waves waves that are 2nd to reach the seismograph
Surface waves last quake to reach the seismograph
Mercalli scale scale for measuring strength of quake. uses Roman numerals to describe effects and damage of quake
Richter scale scale for measuring
Magnitude total amount of energy released from quake
Seismic waves waves made during quake
Focus source of quake within earth
Epicenter place on earth's surface directly above focus
Tsunami giant seawave, up to 100 feet tall, often made when earthquake starts under ocean
Created by: avelder



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