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earthquakes69

earthquakes

QuestionAnswer
earthquake vibration of the earth produced by a rapid release of energy
focus actual point on earths crust where the earthquakes waves begin
faults a planar fracture or discontinuity in a volume of rock, across which there has been significant displacement
continental drift movement of the Earth's continents relative to each other
plate tectonics a scientific theory which describes the large scale motions of Earth's lithosphere.
earths crust the outermost solid shell of the earth
foreshock If an aftershock is larger than the main shock, the aftershock is redesignated as the main shock and the original main shock is redesignated as a foreshock.
san andreas fault a continental transform fault that runs a length of roughly 1,300 kilometers (810 mi) through California
elastic energy he energy which causes or is released by the elastic distortion of a solid or liquid.
elastic rebound how energy is spread during earthquakes.
fault creep measurable surface displacement along a fault in the absence of notable earthquakes
stick-slip spontaneous jerking motion that can occur while two objects are sliding over each other.
aftershock a smaller earthquake that occurs after a previous large earthquake in the same area
displacement vertical and horizontal displacement
normal fault divergent- when the plates move away
thrust fault convergent-when plates push together
srtike-slip fault transform-when plates slide against eachother
seismologist one who studies earthquakes
seismology the study of earthquakes
seismograph a object that measures earthquakes
seismograph unit to measure earthquakes
seismic waves waves of force that travel through the Earth or other elastic bodies
surface waves waves of force that travel through the Earth or other elastic bodies
body waves waves travel through the interior of the Earth
Created by: druh
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