Natural Hazards Flashcards
(8 cards)
1
Q
hazard risk
A
the probability or chance that a natural hazard may take place.
2
Q
Natural hazard
A
a natural event that threatens people or has the potential to cause damage, destruction or death.
3
Q
conservative plate margin .
A
tectonic plates sliding past each other. earthquakes only
4
Q
constructive plate margin
A
plates moving apart, allowing rising magma to add to the plates
5
Q
destructive plate margin
A
two plates converging and Oceania plate is subducted. violent earthquakes and volcanoes.
6
Q
earthquake
A
a sudden or violent movement within the earth’s crust followed by a series of shocks.
7
Q
plate margin
A
boundary between two tectonic plates.
8
Q
volcano
A
opening in earth’s crust from which lava, ash and gases erupt.
