Earthquakes and Volcanoes Quiz

What causes earthquakes?

• Movement along faults
• Volcanic eruptions
• Weather changes
• Tsunami waves

Where do most earthquakes occur?

• In the center of continents
• Along tectonic plate boundaries
• In the middle of oceans
• In deserts

What scale measures the magnitude of an earthquake?

• Moment Magnitude Scale
• Richter Scale
• Modified Mercalli Scale
• Fujita Scale

How much more ground motion does each increase of one unit on the Richter scale represent?

• 2 times
• 5 times
• 10 times
• 20 times

What type of volcano is characterized by a broad, gentle slope?

• Cinder cone
• Composite
• Shield
• Fissure

What are pyroclastic flows?

• Slow-moving lava
• Fast-moving avalanches of hot gas and ash
• Earthquake waves
• Ocean waves

What is the primary cause of tsunamis?

• Underwater earthquakes
• Volcanic eruptions
• Landslides
• Tornadoes

What is the Ring of Fire?

• A type of volcano
• A major earthquake zone
• A volcanic belt around the Pacific Ocean
• A weather pattern

What is a hot spot in geology?

• A place with many earthquakes
• An area where volcanoes form away from plate boundaries
• A region with high temperatures
• A type of fault

What is the Modified Mercalli Scale used for?

• To measure earthquake magnitude
• To assess the intensity of an earthquake based on its effects
• To predict volcanic eruptions
• To measure tsunami height