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chapter 8 & 10 vocab

TermDefinition
earthquake Movements of the ground due to sudden release of energy
focus Point in Earth's interior where the earthquake occurred.
seismic waves Waves of energy released by an earthquake.
epicenter Point on Earth's surface directly above the focus.
elastic rebound Sudden return of deformed rock back to undeformed shape
body waves Seismic wave that moves through the inside of Earth.
P waves Push-pull body waves.
S waves Side-to-side body waves.
surface waves Seimic waves that moves on Earth's surface.
seismograph An instrument that measures and records details of earthquakes, such as force and duration.
seismogram A record produced by a seismograph.
Richter Scale Numerical scale based an height of largest seismic wave.
Moment Magnitude Scale Is used by seismologists to measure the size of earthquakes.
Modified Mercalli Scale Roman numeral scale that measures the intensity created by an earthquake.
liquefaction Is a process that generates a liquid from a solid or a gas.
tsunami A long high sea wave caused by an earthquake, submarine landslide, or other disturbance.
seismic gap A segment of an active fault known to produce significant earthquakes that has not slipped in an unusually long time.
crust The outermost layer of a planet.
mantle Is the part of the earth between the core and the the crust.
outer core
inner core
Moho The boundary surface between the earth's crust and the mantle.
Ring of Fire It's where a large number of earthquakes and volcanic eruptions occur.
hot spot Volcanic areas far from plate boundaries.
viscosity Is a measure of the resistance of a fluid to deformation under shear stress.
vent An opening at the earth's surface from which volcanic material.
pyroclastic material Composed chiefly of rock fragments of explosive origin.
volcano Opening (vent) that allows magma to escape to the surface.
crater
shield volcano
cinder cone Explosive eruptions of granitic lava
composite volcano Combination of forms 1 and 2
caldera
lahar
pluton
sill
laccolith
dike
batholith
Created by: 2007420
Popular Earth Science sets

 

 



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