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earthquake a crack in the earth the that has force to bring down buildings.
crust is where earthquakes happen.
fault is what starts a earthquake
mantle is the layer under the crust.
lithosphere crust and upper mantle
lithospheric plates are kinda like techtonic plates. they move very slowly.
seismologists are people that are earth scientists.
s wave a curvy seismic wave
p wave a straight seismic wave
surface wave a combination of s and p wave
focus the center of a earthquake.
epicenter the momentum of a earthquake
seismic wave the energy of a earthquake
magnitude the catergory of the earthquake
tsunami enormous waves that hit land
liquefaction when soil is completly wet
aftershock are tiny earthquakes.
tension ties A strap that connects wood to steel.
base isolators moves with building.
cross bracing bars of steel that support the building
flexible pipes has flexible joints
shear core walls are in the center of the building.
mass damper shakes with earthquake.
stress pressure building up
tension pulling apart
compression push togehter
strike-slip fault slides easily
normal fault foot wall goes up
reverse fault foot wall goes down
anticline a shape fold
syncline another shape fold
palteau a large flat area of land made by faults
hanging wall other side of a fault
footwall one side of a fault
shearing opposite directions.
mericali scale a measurement of earthquake waves
inner core the hottest part of the earth.
outer core the second hottest part of the earth
oceanic crust 5 to 40 kilometers to mantle
Continental crust 45 to 70 kilometers deep
richter scale is a scale that defines the damage.
basalt makes up most of oceanic crust.
granite most of continental crust
asthenosphere hot and is like taffy.
Created by: 1962920940