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chapter 8 & 10 vocab

TermDefinition
earthquakes movements of the ground to sudden release of enerrgy
focus point in earth's interior where the earth voke occured
seismic waves waves of energy released baan earthquake
elastic rebound sudden return of deformed rocks back to undeformed shape
body waves seismic waves that move through the inside (body) of Earth
P waves push-pull body waves
S waves side-to-side bodywaves
surface waves seismic waves the move on Earth surface
seismograph consist of a weight suspended from a support attached to bedrock
seismogram produces a time record of the ground motion during an earthquake
Richter Scales numerical scale (1-?) based on height largest seismic were (magnitude)
Moment Magnitude Scales derived from the amount of displacement that occurs along a fault
Modified Mercalli Scale Roman mineral scale ( I-XII) that measures the intensity (ground shaking) created by an earthquake
liquefaction where soil and rock are saturated with water earthquakes can cause a process
tsunami wave formed when the ocean floor shifts suddenly during an earthquake
seismic gap an area along a fault where there has not been any earthquake activity for a long period of time
crust thin, rocky outer layer of Earth is divide into oceanic and continental crust
mantle solid , rocky shell that extends to a depth of 2890 kilometers
outer core liquid layer 2260 kilometers thick
inner core sphere having a radius of 1220 kilometers
Moho boundary separates the crust from the underlying mantle
Ring of Fire is a major area in the basin of the Pacific Ocean where a large number of earthquakes and volcanic eruptions occur
hot spot volcano areas for from plate boundaries
viscosity
vent
pyroclastic material
volcano opening (vent) that allows magma to escape the surface
crater
shield volcano
cinder cone
composite volcano
caldera
lahar
epicenter
pluton
sill
laccolith
dike
batholith
Created by: 3000377
Popular Earth Science sets

 

 



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