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Geology Vocabulary

Across
What kind of lava is viscous and flows slowly
The place where the plates or cracks move
These mountains form from lava flowing on the crust
These mountains form by pressure and magma below the crust
These mountains form from large faults in the crust
What are cracks in the Earth's crust and lithosphere
An instrument used to measure the seismic energy
A tube like passage through which magma travels in a volcano
Transverse waves that move out from the focus
A large underground pool of molten rock (magma) beneath the surface of the Earth's crust
Lava blasted into the air by a violent volcanic eruption that solidifies as it falls to the ground
Houses over half of the world's volcanoes
A scale used by scientists to measure the magnitude or strength of earthquakes
Down
Records seismic waves
A vast depression at the top of a volcanic crater formed when an eruption substantially empties the reservoir of magma
What kind of lava is thin and flows away from the vent
These mountains form by tectonic collisions of the crust
Happen when P and S waves reach the surface
The point on the Earth's surface that's directly above quake's focus
measures the direction, intensity, and duration of earthquakes by measuring the actual movement of the ground
German meteorologist who came up with the theory of Pangea
Longitudinal waves that move out from the focus
A funnel shaped pit at the top of the volcano formed from materials from the vent
An opening at the top of the volcano from which lava, dust, rock, and gas are thrown from