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EE Vocab 16-30

Ever-Changing Earth Vocabulary 16-30

Tsunami a series of huge ocean waves often triggered by an underwater earthquake.
Stress a force that squeezes rocks together, stretches or pulls them apart or pushes them in different directions
Focus the point where part of the crust breaks loose and moves suddenly, causing an earthquake
Vibrations back and forth motions that carry energy from one place to another
Epicenter the point on the surface of the earth directly above the focus of an earthquake, often where the most damage from an earthquake occurs
Body waves seismic waves that travel through earth.
Surface waves seismic waves that travel along the surface of the earth.
P-waves longitudinal seismic waves that can travel through solids, liquids, or gases, and are the fastest type of seismic waves.
S-waves transverse seismic waves that can travel only through solids and are slower than P waves.
Longitudinal wave a type of wave that travels through Earth in a push-pull pattern.
Transverse wave a type of wave in which particle displacement is perpendicular to the direction of the wave.
Seismograph an instrument used to detect and measure seismic waves
Magnitude a measure of the strength of an earthquake or the energy released during an earthquake
Richter Scale a numerical scale used to measure the magnitude of an earthquake
Triangulation the process of finding an unknown location using its relationship to known locations, such as the distance of the unknown location from known locations
Created by: Marquart