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Volcanoes and Earthquakes

Across
Waves of energy that travel through the Earth
Scale that measures strength of an earthquake
Point inside the Earth where earthquake begins
Volcanic bombs, ash and blocks are this type of material
Scale that measures intensity of a volcano
Another word for the "strength" of an earthquake
Magma chamber feeds this
Down
Mauna Kea is this type of Volcano
Fissure in earth's surface where magma and gases are released
Volcanoes usually form where these types of plates are found
Mount St. Helens is this type of volcano
Seismic waves that do the most damage
The change in the shape of rock due to stress
Depression formed when magma chamber empties