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EarthQuake

QuestionAnswer
Earthquake vibrations in the earth caused by the sudden release of energy usually a result of the movement of rocks along a fault
Crust the earths outer layer the coldest and least dense layer of the earth
Fault a fracture in bedrock along with blocks of rock on opposite sides of the fracture move
Mantle the cool solid outer shell of the earth it consists of the crust and the ridged upper most part and is broken up into segments or plates
Lithospheric the layer of earth beneath the crust it is about 2900 km. thick and it makes up to about 83 percent of the earths interior
Lithospheric Plates regions of earth's crust and upper mantle that are fractured into plates that move across a deeper plasticine mantle.
Seismologists a scientist who studies earthquakes
Transform where two plates slide against each other in a sideways motion
Divergent places where plates are coming apart
Convergent places where plates are coming together
shearing the external force acting on an object or surface parallel to the slope or plane in which it lies
compression the reduction in volume and increase of pressure of the air or combustible mixture in the cylinder prior to ignition, produced by the motion of the piston toward the cylinder head after intake
tension apply a force to
plateau an area of relatively level high ground
normaiifault A geologic fault in which the hanging wall has moved downward relative to the footwall
reversefault A geologic fault in which the hanging wall has moved upward relative to the footwall
magnitude refers to the size or extent of something
tusiami a large wave caused by an earthquake
liquifaction is a term used in materials sciences to refer to any process which either generates a liquid from a solid or a gas
aftershock a smaller earthquake following the main shock of a large earthquake.
subduction the sideways and downward movement of the edge of a plate of the earth's crust into the mantle beneath another plate.
convection the movement caused within a fluid by the tendency of hotter and therefore less dense material to rise, and colder, denser material to sink under the influence of gravity, which consequently results in transfer of heat.
foucus the center of interest or activity.
epicenter the point on the earth's surface vertically above the focus of an earthquake
mercalli scale earthquake intensity based on observed effects
Created by: 1967183144
Popular Earth Science sets

 

 



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