Natural Hazards Terminology

What is the focus of an earthquake?

• When you look at an earthquake

• The point inside the earth where the earthquake first releases pressure

• How strong an earthquake is

• How streamlined an earthquake is

What is a tsunami?

• Flooding

• A waterfall

• When my dad gets in the bath

• A massive wave caused by an earthquake on the ocean floor

What is the crust of the earth?

• The toast

• The outer layer of the earth

• The inner layer of the earth

• The hardest part of the earth

What are tectonic plates?

• Where you can eat your dinner

• Where tsunamis stop

• The pieces that the outer layer of the earth is made of

• Where volcanoes die

What is a plate boundary?

• Where the edges of the tectonic plates meet

• Where you can eat your dinner

• Where the oceans meet

• Where an earthquake stops

What is the epicentre of the earthquake?

• The most dangerous part of a volcano

• The point on the earth's surface, above the focus, where the earthquake is felt on the surface.

• The part where houses fall down

• The weakest part of an earthquake

What is the subduction zone?

• A collision between two of Earth's tectonic plates, where one plate sinks into the underneath the other plate.

• Where you can get bargains in the supermarket

• Where it is really cold inside the earth

• Where a tsunami starts

What is the mantle?

• The part over a fireplace

• Where a river meets the sea

• The mantle is the layer underneath the crust of the earth

• The coldest part of the earth

What is a seisometer?

• An instrument that responds noises and shaking, used the measure earthquakes.

• A tape measure for measuring the size of things.

• A metre stick

• A wave machine for measuring the height of a tsunami

What is the richter scale?

• The German word for tsunami

• The scales for measuring rocks

• The scale for expressing the strength of an earthquake

• The strength of thunder