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Earthquakes
Earthquakes II
Volcanoes
Volcanoes II
100
The bending of rock.
What is deformation?
100
This is where an earthquake's seismic waves originate.
What is focus?
100
Another name for magma that has reached the surface of the Earth.
What is lava?
100

Parts of tectonic plates that are located above magma plumes and are not at plate boundaries.

What is hot spots?

200
This instrument records seismic waves.
What is seismograph?
200
Strike-slip faults usually occur along this type of plate boundary.
What is transform?
200
This results when an empty magma chamber collapses.
What is a caldera?
200

Fast moving avalanche of gas, rock fragments and ash.

What is pyroclastic flow?

300
The three types of seismic waves.
What are P waves, S waves, and surface waves?
300
Secondary (S) waves cannot travel through a planet where the core is ________.
What is liquid?
300
Tectonic plates move apart at a ________ plate boundary.
What is divergent?
300

Magma (or any liquid's) resistance to flow.

What is viscosity?

400
This type of seismic wave is slower than the others but causes more damage.
What is surface waves?
400
A scale that measures the relative strength of an earthquake.
What is Richter scale?
400

A supervolcano located in the United States.

What is Yellowstone?

400
This type of volcano throws out mostly pyroclastic material during an eruption.
What is cinder cone?
500

The process of using 3 locations to determine the epicenter of an earthquake.

What is triangulation?

500
A scientist who studies seismic waves.
What is a seismologist?
500
This type of volcano has gentle slopes and its eruptions produce easy flowing lava.
What is shield?
500

This type of volcano releases both pyroclastic material and lava during an eruption.

What is composite (stratovolcano)?