1.a intro key terms

Question 1

Define Hazard

Answer 1

a phenomenon which can cause loss of life,injury,disease,economic (money) loss, or environmental damage

Question 2

Define the term natural hazard

Answer 2

is naturally occuring which can cause loss of life etc ( volcanic eruptions, earthquakes, tornados)

Question 3

State the difference between natural hazard and a natural disaster

Answer 3

A hazard has the potential to cause disaster but a natural disaster actually has caused loss of life or affected people within a certain way

Question 4

define frequency

Answer 4

The number of times a specified periodic phenomenon occurs within a specified interval

Question 5

Define magnitude

Answer 5

The size or intensity of a natural event

Question 6

Define vulnerability

Answer 6

The characteristics of a person or group in terms of their capacity to anticipate, cope with and recover from the impact of a natural disaster. It is determined by human and physical factors and is not consistent for the whole population unless volcanic. It refers to both the event and the recovery period.

Question 7

Define risk

Answer 7

The exposure of people to a hazardous event which presents a potential threat to people and their possessions.

Question 8

Define disaster

Answer 8

The realization of a hazard

Question 9

Define seismicity

Answer 9

Activity associated with the transmission of seismic (shock) waves radiating outwards from the focus of an earthquake

Question 11

Define volcanicity

Answer 11

Generic term used to describe a range of volcanic activity often associated with a place or region including volcanic eruptions, geysers and hot springs.

Question 12

IF an exam question mentions seismic activity what does this mean?

Answer 12

In relation to earthquakes