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Earthquake Waves

TermDefinition
A vibration of the Earth produced by the rapid release of energy. Earthquake
The point within the Earth where the earthquake starts. Focus
The location on the surface directly above the focus. Epicenter
The rocks/plates snap back into an unbent position. Elastic Rebound
The movement that follows a major earthquake. Aftershock
Small earthquakes before a major earthquake. Foreshock
Measures the amount of shaking at a particular location. Intensity
Measures the size of the earthquake at its source. Magnitude
Measures intensity based on observed effect of quake on Earths surface, humans, manmade structures. Mercalli Scale
Measures earthquake energy from seismic waves using a seismograph Richter Scale
Instrument for recording earthquakes. Seismograph
The data output of a seismograph. Seismogram
Disturbance that transmits energy. Wave
Transverse Wave
Wave particles vibrate parallel to wave direction. Longitudinal Wave
Material a wave moves through. Medium
Upward displacement of a wave. Crest
downward displacement of a wave. Trough
Height of a wave. Amplitude
Distance between consecutive waves. Wavelength
Primary body wave (earthquake) fastest; least damaging; longitudinal wave. P Waves
S Waves
Surface Waves
Travel-time Graph
Triangulation
Created by: kathlboo
Popular Earth Science sets

 

 



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