Geophysical Hazards II

A natural hazard is an event or process that...

• ...has caused damage and harm to human life

• ...has the potential to cause damage and harm to human life

• ...only causes harm to the natural environment

Hazard risk is...

• ...how dangerous the natural hazard is

• ...how much damage has been caused

• ...how many hazards there have been

• ...how vulnerable you are to natural hazards

Which three factors combine to make a hazard a disaster?

• Causes severe damage and endangers lives

• A country that has a small defense force and police force.

• Event occurs near property and population.

• An area that is very vulnerable due to low income, lack of emergency plans and few preventative measures.

The measurement of the strength or intensity of a hazard is

• magnitude

• duration

• frequency

• scale of impact

Earthquake is an example of...

• tectonic hazard

• biological hazard

• atmospheric hazard

• environmental hazard

Which of the following is an example of mass movement?

• landslide

• earthquake

• tornado

• flooding

Subduction refers to the plunging of one _________ beneath another.

Subduction zones form where an oceanic lithospheric plate collides with one another-whether ___________ or oceanic

Of these four natural hazards, which is the hardest to predict?

• hurricane

• earthquake

• volcanic eruption

• flooding

The strongest earthquake in the world happened in...

• Chile

• Haiti

• Dominican Republic

• Japan