Natural Hazards and Environmental Impact Flashcard

Front

What is a natural hazard?

Back

A natural hazard is a natural event that can cause damage to people, property, and the environment.

Front

What can heavy rain cause on mountains?

Back

Heavy rain can cause landslides by loosening soil and rock.

Front

What are the two main hazards from a volcano?

Back

Lava and ash.

Front

What should people do when a tsunami warning is issued?

Back

People should evacuate to higher ground for safety.

Front

What is a tsunami?

Back

A tsunami is a series of large ocean waves caused by underwater earthquakes or volcanic eruptions.

Front

What is an earthquake?

Back

An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere.

Front

What is volcanic activity?

Back

Volcanic activity refers to the processes and phenomena associated with the movement of magma and gases from the Earth's interior to the surface.

Front

What is the purpose of a tsunami warning?

Back

A tsunami warning alerts people about the potential danger of a tsunami so they can evacuate to safety.

Front

What is lava?

Back

Lava is molten rock that erupts from a volcano.

Front

What is ash in the context of a volcano?

Back

Ash is fine particles of volcanic rock and glass that are expelled during a volcanic eruption.