Earthquakes and Volcanoes

Front

What is the primary cause of an earthquake?

Back

Stress due to movement in Earth's crust.

Front

Where do many earthquakes occur?

Back

Along the borders of tectonic plates.

Front

What is the point on the Earth’s surface directly above the starting point of an earthquake called?

Back

Epicenter.

Front

Through which part does magma exit a volcano?

Back

Vent.

Front

Which type of seismic wave is the first to arrive after an earthquake occurs?

Back

P Wave.

Front

What are tectonic plates?

Back

Large sections of the Earth's crust that move and interact with each other.

Front

What is a fault in geology?

Back

A fracture or zone of fractures between two blocks of rock.

Front

What is the difference between P Waves and S Waves?

Back

P Waves are compressional waves that travel faster and can move through solids and liquids, while S Waves are shear waves that only travel through solids.

Front

What is a volcano?

Back

An opening in the Earth's crust through which molten lava, ash, and gases are ejected.

Front

What is magma?

Back

Molten rock located beneath the Earth's surface.