Tectonics Flashcards
1
Q
What are the 3 tectonic hazards and explain:
A
- Volcano - a landform that develops around a weakness in earths crust from which molten magma, disrupted from pre-existing volcanic rock, and gases are ejected.
- earthquake - shockwaves created by the release of tension at a focal point
- tsunami - a sequence of huge waves created by a large displacement of seawater, usually by undersea earthquake.
2
Q
What are 2 ways of classifying tectonic hazards and give an example of each
A
- primary - eg. earthquakes and volcanos
-secondary - eg. tsunamis (happen as result of primary hazard)
3
Q
Definition of natural hazard:
A
- a naturally occurring process or event that has the potential to affect people.
4
Q
Definition of a natural disaster:
A
a major but natural hazard that causes significant socioeconomic and environmental damage.
5
Q
Definition of vulnerability:
A
the ability to anticipate, cope with, resist and recover from a natural hazard.
6
Q
What model shows when a natural hazard becomes a disaster? (17/1/25)
A
Deggs model
7
Q
A