Volcanoes

Which type of volcano is wide with gentle slopes?

Shiprock and Devil's Tower are both examples of

Lava that is smooth and ropey in texture

Identify #4 on the diagram.

A mixture of water & volcanic debris like a mud-flow

Which of these pertain to Hawaii and Yellowstone

What causes volcanoes near subduction zones to erupt more violently?

Which is not a factor used for the volcanic explosivity index?

Mount Fuji in Japan or Mt Pelee in the Caribbean are both examples of

Hekla in Iceland and Kilamanjaro in Africa are both examples of

What is the relationship between the amount of silica, gas and the explosivity of a volcano?

The upwelling of viscous magma forming within the remains of the crater of Mt. St. Helens.

A vertical igneous formation

What feature is formed when the top of the volcano is either collapsed or blown away?

Which of the following are examples of hotspot volcanoes?

Tephra that is small rocks and pebbles

Parasitic cones are mainly which type of volcano?

This amount of gas would produce the most violent eruptions

Volcanic arc volcanoes form due to

Which type of volcano is small with steep loose sides?

This amount of silica would produce effusive eruptions

Which of the following are effusive shield volcanoes?

The solidified conduit of an ancient volcano

Which of the following are examples of subduction zone volcanoes?

How does magma with low silica content flow?

Which of the following correctly describes a hot spot?

Volcanoes at divergent boundaries are the result of

Vents that have eruptions of gas are called

Which type of volcano is composed of alternating layers of lava and tephra?

Which type of volcano has a wide base but steep tall center?

Which volcanic eruption was the deadliest?

Which volcano triggered a major tsunami and was heard thousands of miles away?

Where do most volcanoes occur?

A volcano that no longer has a viable magma source and cannot erupt.

The solidified magma chamber an ancient volcano

Which volcanic hazard causes the most death/destruction?

Which type magma has the highest silica content?

Lava that is jagged and chunky in texture

Identify #1 on the diagram.

Which type of volcano is the largest in volume/area?

Where are hot spots located?

Island arc volcanoes form due to

Mount St. Helen in the US or Mt Vesuvius in the Italy are both examples of

Which term best relates to high viscosity?

This hazard has the greatest climate impact.

A volcano that has has erupted within the past 10,000 years and is expected to erupt again.

Paricutin formed due to an explosive eruption around a single vent in a matter of two weeks. What type of volcanoe?

Which type of magma has low silica content?

Identify #2 on the diagram.

A volcano that has not erupted recently but still has a magma source.

What is the Ring of Fire?

A hot mixture of rock, gas and ash that moves rapidly down the slope.

Which type of volcano has mainly effusive eruptions?

Which type of volcano has the most explosive eruptions?

How was the city of Pompeii destroyed by Mt Vesuvius?

Which type of volcano is composed of ash and volcanic tephra fragments?

Identify #3 on the diagram.

Which of these are types of tephra?