geography quiz

Hazard risk

probability that a natural hazard will take place.

Natural hazard

A natural event that has potential to cause damage and death.

Tectonic hazards

Hazards created through the movement of tectonic plates.

Conservative plate margin

when two tectonic plates slide past each other.

Constructive plate margin

when tectonic plates move apart causing magma to rise and form new material

Destructive plate margin

where two plates are moving together and the oceanic plate is subducted.

Earthquake

sudden movement in the Earth’s crust followed by a series of shocks.

Immediate responses

The reaction of people in the immediate aftermath.

Long-term responses

reactions that occur in the weeks, months and years after the event.

Monitoring

Recording physical changes to help predict when and where a natural hazard might happen

Plate margin

The boundary between two tectonic plates.

Planning

Actions taken to enable communities to respond to and recover from natural disasters.

Prediction

forecasting when and where a natural hazard will happen based on current knowledge.

Primary effects

The initial impact of a natural event, caused directly by it.

Protection

Actions taken before a hazard happens to reduce its impact.

Secondary effects

The effects that occur as indirect impacts of a natural event.

Tectonic hazard

A danger caused by movement of tectonic plates.

Tectonic plate

A rigid segment of the Earth’s crust.

Volcano

An opening in the Earth’s crust which lava and ash erupt from.