Hazard Definitions & Classification Flashcards Preview

Hazards > Hazard Definitions & Classification > Flashcards

Flashcards in Hazard Definitions & Classification Deck (10):
1

What’s a hazard

Something that’s a potential threat to

Human life
Property

2

What’s a natural hazard

A hazard caused by natural processes

Classified into 3 types:

-Geophysical hazards
-Atmospheric hazards
-Hydrological hazards

3

Geophysical hazards

Caused by land processes

EARTHQUAKES
VOLCANIC ERUPTIONS
TSUNAMIS
LANDSLIDES

4

Atmospheric hazards

Caused by climatic processes

STORMS
DROUGHTS
WILDFIRES
HOT/COLD EXTREME WEATHER

5

Hydrological hazards

Caused by water movement

FLOODS
AVALANCHES

6

Disaster defintion

When a hazard seriously affects humans

7

Risk definition

How likely humans will be affected by the hazard

8

Vulnerability definition

How susceptible to harm a population will be to the damage caused by he hazard

9

Magnitude / intensity

How powerful the hazard is

10

Distribution

The extent of the area of the hazard