11 Geo Hazards Overview

The arrangement of phenomena over the Earth' surface is known as

• spatial association

• temporal distribution

• spatial distribution

• temporal association

The sphere that contains all of the Earth's water is the

• geosphere

• atmosphere

• biosphere

• hydrosphere

The difference between a hazard and a disaster is ...

Answer explanation

A hazard has the potential to adversely affect people or the environment, whereas a disaster had to already have adversely affected people or the environment to be classified as such

Provide two examples of geomorphic hazards

Answer explanation

volcanoes, earthquakes, landslides

The length of time that a hazard occurs is known as

• frequency

• duration

• magnitude

• probability

"An earthquake measuring at 7.0 on the Richter scale" is an example of

• magnitude

• duration

• frequency

• scale of spatial impact

In relation to hazards, frequency is defined as ...

Answer explanation

the rate at which a hazard occurs over a period of time

An ___________ hazard originates from weather and climate (i.e in the layer of gases above the surface of the Earth)

Provide two examples of ecological hazards

Answer explanation

animal invasions, plant invasions, infectious diseases, water-borne diseases, animal-transmitted, invasive species, chemical

A __________ hazard originates from forces associated with tectonic plate movement beneath the surface of the Earth.