Natural Hazards Keywords

Question 1

Primary effects

Answer 1

Effects resulting directly from an event.

Question 2

Secondary effect

Answer 2

Effects that result from a primary effect.

Question 3

Tsunamis

Answer 3

Large ocean waves caused by an underwater earthquake.

Question 4

Richter scale

Answer 4

The scale used to measure the strength of an earthquake.

Question 5

Aftershocks

Answer 5

Smaller tremors which happen after an earthquake.

Question 6

Earth’s crust

Answer 6

The solid, outer layer of the Earth.

Question 7

Tectonic plates

Answer 7

Large segments of the Earth’s crust.

Question 8

Mantle

Answer 8

The layer of the Earth between the crust and the core.

Question 9

Magma

Answer 9

Liquid rock below the Earth’s surface.

Question 10

Liquefaction

Answer 10

The loss of strength that can happen in the ground during the earthquake shaking.

Question 11

Retrofitting

Answer 11

The addition of new technology to older buildings.

Question 12

Epicentre

Answer 12

The point of the Earth’s surface directly above the focus of an earthquake.

Question 13

Building code

Answer 13

Regulations which state how a building should be built in order for it to be safe.

Question 14

Seismic activity

Answer 14

Movement in the Earth’s crust.

Question 15

Evacuation

Answer 15

Movement of people away from a place of danger to a place of safety.

Question 16

Storm surges

Answer 16

Abnormal rise of the sea along a shore as the result of a storm; sometimes called a tidal surge.

Question 17

Tropical

Answer 17

Situated in the area between the tropics of Cancer and Capricorn.

Question 18

Eye

Answer 18

The calm, clear area at the centre of a tropical storm.

Question 19

TRS - Tropical Revolving Storm

Answer 19

Hurricanes, typhoons or cyclones.

Question 20

Track

Answer 20

The path taken by a tropical storm.

Question 21

Mandatory evacuation

Answer 21

An evacuation that is ordered by authorities or the government.

Question 22

Natural cycle

Answer 22

Series of events in nature that are repeated over and over again.

Question 23

Physical effects

Answer 23

Those affecting natural and built materials.

Question 24

Social effects

Answer 24

Those affecting people.

Question 25

Economic effects

Answer 25

Those affecting money and business.