volcanoes
earthquakes
seismic waves
stresses
vocabulary
100
Along mid-ocean ridges and where a plate is subducted
Where would you most likely find volcanoes?
100
focus
What is the point beneath Earth's surface where rock breaks under stress and triggers an earthquake?
100
seismic waves
What is a vibrations that move through the ground carrying the energy released during and earthquake?
100
tension
What is a stress that pushes a mass of rock in two opposite directions?
100
stress
What is a force that acts on rock to change its shape or volume
200
detect small earthquakes in the area of a volcano
What is a volcano that is about to erupt?
200
epicenter
What is the point on the surface directly above where rock breaks and an earthquake starts?
200
Richter scale
What is the rating system that measures the size of a seismic wave released by and earthquake?
200
compression
What is rocks that are pushed together?
200
magma
What is lava before it reaches the surface?
300
hotspot
What has made Hawaii?
300
Convergent Boundary
What is the boundary where mountains are formed by volcanoes along a coastline?
300
secondary waves
What is the real name for s-wave?
300
shearing
What is a rock that is sliding by each other?
300
lava
What is molten material that leaves a volcano's vent?
400
Extinct
What is a volcano with no magma or activity?
400
enough energy builds up in the rock along the fault to cause the rock to break or slip
What is an earthquake along a fault?
400
Reverse fault
What is caused by a convergent boundary?
400
Normal fault
What is caused by a divergent boundary?
500
Dormant
What is a volcano that has not erupted in a long time but scientist feel it will again?
500
Where plates meet
What is the greatest risk for earthquakes to happen?
500
Moment magnitude scale
What is used to measure total energy released?
500
strike-slip fault
What is caused by a transform boundary?
500
subduction
What caused volcanic arc?
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