Volcanoes
Earthquake
Plate Boundaries
Earthquakes cont.
Misc.
100
Volcanic flow consists of magma that has reached the surface and flows across the ground until it cools and hardens into rock
What is Lava
100
A Sudden release of energy resulting from the collision or shifting of crustal plates or from the fracture of stressed rock
What is an Earthquake
100
Type of boundary where two plates are sliding past each other
What is a transform boundary
100
Point on the surface directly above the hypocenter
What is the epicenter
100
Type of boundary that forms a rift (such as the east african rift)
What is a divergent boundary
200
volcanic flow consists of fast moving flows of hot gas and rock fragments
What is Pyroclastic flows
200
Cracks in the Earth where sections of one or two plates are moving in different directions
What is a fault
200
An opening in the planets crust which allows hot molten rock, ash and gas to escape
What is a volcano
200
Waves that move materials up and down to the direction of the wave
What is an S Wave
200
Three places where volcanic eruptions can occur
What is a divergent boundary, convergent boundary, and a hot spot
300
type of volcanic flow consists of small bits of rock and glass created by volcanic eruptions
What is Volcanic Ash
300
Waves that move through materials by squeezing and stretching the material in the same direction the wave is moving
What are Primary waves (P waves)(Compressional waves)
300
Type of boundary where two plates are colliding into each other
What is a convergent boundary
300
geological activity primarily occurs at transform boundaries such as the San Andrea's fault
What are Earthquakes
300
an area of frequent earthquake and volcanic eruptions encircling the pacific basin
What is the ring of fire
400
Type of volcano that has broad, gently sloping sides and are built from lava flows.
What is a shield volcano
400
Place where the movement first occurs in a fault
What is the hypocenter
400
Type of boundary where the plates are spreading apart in opposite directions
What is a divergent boundary
400
Fastest of all body waves traveling through the Earth after an earthquake has occurred.
What are the P Waves
400
Waves that travel through the earth
What are seismic waves
500
The type of volcano that has steep sides of alternating layers of lava and ash, and are some of the most dangerous volcanoes to people
What is a composite volcano
500
Waves that move at the slowest speed along the Earth’s surface and cause the most damage
What are surface waves
500
Area where oceanic crust is moving under the continental crust due to its high density
What is a subduction zone
500
Slowest and most dangerous of Waves released from an Earthquake
What are the Surface waves
500
Name of machine used to measure the strength of Earthquakes
What is a seismograph
M
e
n
u