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chapter 8&10 vocb

TermDefinition
earthquake movement of the ground due to sudden release of energy
focus point in earth's interior where the earthqaukes occurred
seismic waves waves of energy released by an earthquake
epicenter point or earth's surface directly above the focus
elastic rebound sudden return of defromed rock back to undeformed shape
body waves seismic waves that move through the inside (body)of earth
P waves push-pull body waves seismic waves that move on earth's surface
S waves side to side body waves
surface waves side to side, rolling, elliptican
seismograph records seismic waves
seismogram records vibrations
Richter Scale numerical scale (1-9) based on heigh of largest seismic wave emagnitude
Moment Magnitude Scale more accurate as it measures the amount of enegry released
Modified Mercalli Scale Roman numeral scale(I-XII) that measures the intensite (ground shaking) created by an earthquake
liquefaction where soil and rock are saturated with water, earthquakes can cause a process
tusnami is a wave formed when ocean floor shifts suddenly during an earthquake
seismic gap is an area along a fault where there has not been an earthquake activity for a long period of time
crust the thin,rocky outer layer of earth
mantle a solid, rocky shell that extends to a depth of 2890 kilometers
outer core is a liquid layer 2260 kilometers thick
inner core
Moho
Ring of Fire
hot spot
viscosity
vent
pyroclastic material
volcano
crater
shield volcano
cinder core
composite volcano
caldera
lahar
pluton
sill
laccolith
dike
batholith
Created by: 2007725
Popular Earth Science sets

 

 



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