Earthquake Notes Quizizz

What is an earthquake?

• A sudden explosion in the Earth's core

• The vibration of the Earth produced by the rapid release of energy within the lithosphere

• A large windstorm that affects the Earth's surface

• The shifting of the ocean floor

What causes earthquakes?

• Erosion of the Earth's surface

• Volcanic eruptions

• Slippage along a break in the lithosphere, called a fault

• Heavy rainfall

What are faults?

• Large openings created by volcanic activity

• Layers of sediment deposited over time

• Fractures in Earth where movement has occurred

• Underground rivers

What is a major factor in changing Earth's surface according to your notes?

• Volcanic eruptions

• Movement along faults during earthquakes

• Heavy rainfall

• Forest fires

What type of fault is the San Andreas Fault?

• Convergent

• Divergent

• Transform

• Subduction

Approximately how long is the San Andreas Fault?

• 800 km

• 1,200 km

• 1,500 km

• 2,000 km

What tectonic boundary is formed by the San Andreas Fault?

• Between the Eurasian and Indian Plate

• Between the African and Eurasian Plate

• Between the Pacific and North American Plate

• Between the South American and African Plate

How frequently do earthquakes occur on the San Andreas Fault?

• Once every 10 years

• Once every 15 years

• Once every 22 years

• Once every 30 years

What is the point within Earth where an earthquake starts called?

• Epicenter

• Crust

• Focus

• Lithosphere

Where is the focus of an earthquake located?

• Above the surface

• Along a fault beneath the surface

• In the outer core

• On the ocean floor