Dust-like particles of pulverized rock blown into the air
Most lava flows are so __ that people can outrun them
An eruption may __ large amounts of matter into the air
A fumarole is a vent that releases steam and volcanic __
Mount Etna in __ is one of the most studied and famous volcanoes
Mount Fuji in __ is one of the world's most climbed volcanoes
Molten rock from the Earth's interior that has moved into the crust
The most common volcanic emission, even from dormant volcanoes
Hawaii's Mount Kilauea is one of the world's most __ and famous
A caldera is the basin-shaped __ at the top of a volcano
Crater Lake in __ is the remains of a cataclysmic eruption
The Roman God of the Fire for which volcanoes are named
Mount St. Helens is only one of several volcanoes in the __ Range
A volcano that is "sleeping" or has not erupted in many years
A volcano that is never likely to erupt again
If Mount __ near Seattle/Tacoma erupted, thousands would be in danger
Volcanic earthquakes are measured on the __ scale
Lava is magma that has reached the __ in an eruption
An event where material and gases are released from a volcano
If scientists think a volcano is dangerous, they may __ nearby people
Over 36,000 people were killed in the eruption of __ in 1883
An active volcano, and the highest point in the Hawaiian Islands
A Lahar or __ is a flowing mixture of water and volcanic ash
The cities of Pompeii and Herculaneum were destroyed by __ in 79 A.D.
The theory of plate __ describes the motion of the Earth's crust
The __ __ __ is a system of volcanoes surrounding the Pacific Ocean
Mount __ __ erupted on May 18, 1980, killing 57 people
Instrument for measuring the movement of the Earth's crust