Volcano & Earthquake Vocab Quiz

What is the focus of an earthquake?

• The point within the Earth where an earthquake originates

• The point on the Earth's surface directly above where an earthquake originates

• The boundary between two tectonic plates

• A scale used to measure the strength of an earthquake

What does the Richter Scale measure?

• The strength or magnitude of an earthquake

• The height of a volcano

• The speed of lava flows

• The temperature of lava

What type of volcano is characterized by gentle slopes and primarily built of lava flows?

• Cinder Cone Volcano

• Composite Volcano

• Shield Volcano

• Stratovolcano

What is magma?

• A type of volcanic ash

• A pyroclastic flow

• Lava that has cooled and solidified

• Molten rock beneath the Earth's surface

What describes a volcano that is currently inactive but has the potential to erupt again?

• Active

• Extinct

• Erupting

• Dormant

What is the epicenter of an earthquake?

• The point within the Earth where an earthquake originates

• The boundary between two tectonic plates

• The point on the Earth's surface vertically above the focus of an earthquake

• A type of volcano

What are pyroclastic flows?

• Powerful mudflows carrying volcanic debris

• Layers of fine ash blanketing the land

• Deadly avalanches of hot ash, rock fragments, and gas

• Fast-moving rivers of molten rock

What is a convergent boundary?

• Where two tectonic plates move towards each other

• Where two tectonic plates slide past each other

• A type of volcanic eruption

• Where two tectonic plates move away from each other

What is a shield volcano?

• A volcano with steep slopes

• A volcano characterized by explosive eruptions

• A volcano built primarily of lava flows

• A volcano that is extinct

What does it mean when a volcano is described as extinct?

• It has erupted in the past but is now inactive

• It is currently erupting

• It has a large crater at its summit

• It is no longer capable of erupting