Faults, earthquakes, volcanos and tsunamis

Front

What is shearing?

Back

Shearing is a type of stress that occurs when two tectonic plates push against each other.

Front

What type of fault is associated with tension?

Back

Normal fault.

Front

What is an earthquake?

Back

An earthquake is a release of energy that occurs within the Earth at the focus and rises up through the Earth, potentially triggering tsunamis, avalanches, and landslides.

Front

What type of fault is associated with shearing?

Back

Strike-slip fault.

Front

What are the causes of a tsunami?

Back

Tsunamis can be caused by earthquakes, volcanos, underwater landslides, and meteors.

Front

What is a fault?

Back

A fault is a fracture or zone of fractures between two blocks of rock.

Front

What is the focus of an earthquake?

Back

The focus is the point within the Earth where an earthquake originates.

Front

What is a volcano?

Back

A volcano is an opening in the Earth's crust through which molten lava, ash, and gases are expelled.

Front

What is a tsunami?

Back

A tsunami is a series of ocean waves caused by any large and sudden disturbance of the sea.

Front

What is a reverse fault?

Back

A reverse fault is a type of fault where the hanging wall moves up relative to the footwall, typically caused by compressional forces.