Volcanoes and Earthquakes

What are the three main types of volcanoes?

• caldera volcanoes

• shield volcanoes, cinder cone volcanoes, and composite volcanoes

• dome volcanoes

• strato-volcanoes

Which type of volcano has the most violent eruptions?

• shield volcano

• stratovolcano

• cinder cone volcano

• caldera

What is plate tectonics?

• The study of the Earth's magnetic field and its effects on the planet.

• The study of the Earth's atmosphere and weather patterns.

• The process of erosion and weathering of rocks.

• The movement and interaction of large sections of the Earth's lithosphere.

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What are the three types of plate boundaries?

• oceanic boundaries, continental boundaries, and strike-slip boundaries

• subduction boundaries, spreading boundaries, and fault boundaries

• convergent boundaries, divergent boundaries, and transform boundaries

• collision boundaries, rift boundaries, and shear boundaries

What causes volcanic eruptions?

• Release of magma, gas, and other materials from a volcano's magma chamber.

• Earthquakes in the surrounding area

• Human activities such as mining

• Excessive rainfall

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What is the difference between a lava flow and a pyroclastic flow?

• The difference between a lava flow and a pyroclastic flow is the direction and impact of the flow.

• The difference between a lava flow and a pyroclastic flow is the speed and composition of the flow.

• The difference between a lava flow and a pyroclastic flow is the source and eruption style of the flow.

• The difference between a lava flow and a pyroclastic flow is the temperature and viscosity of the flow.

What is the Richter scale used to measure?

• Magnitude of earthquakes

• Depth of ocean trenches

• Intensity of hurricanes

• Temperature of volcanoes

What is the minimum magnitude for an earthquake to be considered 'major'?

• 7.0

• 8.0

• 5.0

• 6.5

What are the two main methods used for volcano monitoring?

• aerial surveys and thermal imaging

• seismic monitoring and satellite imaging

• gas sampling and geodetic monitoring

• ground-based monitoring and remote sensing

Why is it important to monitor volcanoes and earthquakes?

• To ensure safety and enable early detection and warning systems.

• To monitor the migration patterns of animals.

• To predict the weather patterns in the region.

• To study the geological history of the area.

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