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earthquakes/volcanos

QuestionAnswer
Earthquake movement of trembling of the ground that is caused by a sudden release of energy when rocks along a fault move
Mercalli scale seismic intensity scale that measures the effects of an earthquake shaking at a specific location
Tsunami series of extremely long waves caused by a large or sudden displacement of the ocean
Richter scale measured distance between an earthquake and seismometer along with amplitude
Aftershock smaller earthquake that follows the main one
Fault break in a body of rock along which one block move relative to another
P - waves primary seismic waves from earthquakes or the P wave on an electrocardiogram (ECG)
S - waves secondary seismic waves that arrive after P waves ands cause the ground to shake from side to side
seismology the scientific study of earthquakes and seismic waves
Landslide movement of mass of rock, debris, or earth down a slope, primarily caused by gravity
Volcano mountain or hill with a crater or vent which lava and rock fragments come out
Epicenter point on earth's surface vertically above the focus of an earthquake
Seismograph instrument used to detect and record the movement of earth's surface
Focus point where waves, particles, or light converge or appear to diverge from
Ring of Fire string of volcanoes, sites or seismic activity, or earthquakes around Pacific ocean
Liquefaction A phenomenon where water saturated soil temporarily loses strength and stiffness during and earthquake, acting like a liquid
What is the stress of a p wave? compression
What is the stress of a s wave? shear
What type of wave is fastest travelling wave? primary waves
What happens to p waves when they travel through different materials like more dense rock layers and liquid layers? their speed and direction changes
Because p waves are deflected by the Earth's core, what happens at the "shadow zone?" they are not seen
The slowest body waves are called secondary waves
S waves or shear waves move material... sideways or at right angles to their direction of travel
S waves only travel through... solids
Why is there a s wave shadow zone only travel through solids, absorbed by liquids outer core
Which waves do not travel though the interior of the Earth? surface waves
what caused the damage to their railroad tracks? earthquake
why is hawaii the largest island? It is the newest and is still active
will there be more hawaiian islands in the future? Yes, the plate will continue moving to form a new island
Created by: user-1973387
 

 



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