Show:
What Is An Earthquake?
The Nature Of Volcanic Eruptions
Measuring Earthquakes
Destruction From Earthquakes
Plate tectonics and Igneous activity
100
What comes before an earthquake?
what is Foreshock
100
What determines the type of volcanic eruption?
What is magma Compostion, temperature, and amount of gas dissolved.
100
Which seismic wave travels the fastest?
What is P wave
100
What destructive events can be triggered by an earthquake?
what is Tsunami,landslides,and fires.
100
What is the ring of fire?
What is an area where a large number of earthquakes and volcanic eruptions occur
200
More than _____________ earthquakes occur worldwide that are strong enough to be felt.
What is 30,000
200
What is a lahar?
what is a destructive mudflow.
200
Where do most eartquakes occur?
What is Pacific Belt
200
What is a tsunami?
What is a seismic sea wave
200
Where is most of the magma on earth produced on earth on a yearly basis?
What is along the oceanic ridges during the seafloor spreading.
300
What is the original position of the elastic rebound?
What is Straight
300
What is a volcanic bomb?
What is Big rocks that come out of a volcano
300
What is the two categories of seismic waves?
What is Body andsurface waves
300
The greatest damage to structures is from ________.
What is landslides
300
What causes intraplate volcanism?
What is a mantle plume rises toward the surface.
400
What is the cause of earthquakes.
What is Pressure building up from plates.
400
What is a caldera?
What is a large depression in a volcano
400
What measurements do scientist use to describe the size of an earthquake?
Richter scale and moment magnitude.
400
What areas are protected by the tsunami warning system?
What is around the Pacific oceans.
400
The result of the volcanic activity on the island of hawaii is ____________.
What is Hot Spot
500
The _________ of each earthquake is the place within earth where the earthquake originated.
What is Focus
500
what is release in heat , pressure , water what are the three major ways that magma forms?
what is release in heat , pressure , water
500
What does a seismograph do?
What is Amplifies and records ground motion
500
When does Liquefaction occur?
What is When loosely consolidatedsediments are saturarted with water.
500
How are the locations of volcanoes related to plate boundaries.
What is Plate motions provide the mechanisms by which mantle rocks melt to generate magma.