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chapter 8 &10 vocab

TermDefinition
eathquake movments of the ground due to sudden release of energy
focus point in earths interior where the earthquake occured
seismic waves waves of energy realesed by an earthquake
epicenter point on earths surface directly above the focus
elastic rebound sudden return deformed rock back to undeformed shape
body waves seismic wave that moved through the inside of earth
p waves push pull body waves
s waves side to side body waves
surface waves seismic that move through the inside of earth
seismograph it meassures the weight
seismogram shows all three types of seismic waves
Ricther scale meassures the magnitude of the richer scale
moment magnitude scale it is used to rate earthquake
modified mercalli scale meassures the intensity
liquefaction is when stable soil turns into liquid
tsunami is a wave that forms when ocean floors shift
seismic cap is a fault were there has been no movement for a long period of time
crust is the outer layer of earth
mantle is the layer below earths crust
outer core is bellow the lower mantle
inner core is in the middle if the earth
Moho it is what seperates the crust from the mantle
Ring of fire is a long belt of volcanoes
hot spot is a small volcanic region
viscosity is a substance resistance to flow
vent an opening to the surface
pyroclastic material particals produced in volcanic eruptions
volcano is what repeated eruptions of magma
crater is located at the bottom of a volcano
shield volcano are formed b y the accumilation of basaltic lava
cinder cone ejected lava fragments that eject in air
composite volcano composed of both layers valcano and pyroclastic
caldera depression in a volcano
lahar socked volcanic ash that moves down hill
pluton is when magma slowley cristalized
still is were lava flows thre parrel sediment
laccolith is lin shaped pluton
dike pluton that forms when magma moves into fracture
batholith are the largest body of intrusive igneous rocvk
Created by: 2007543
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