Volcanos Flashcards
1
Q
Type of volcanoes
A
Composite - long, broad, gentle lava flow
Shield - erupts violently, steep
2
Q
Features of a volcano
A
Crater
Ash cloud
Shield/ composite
Magma inside in magma chamber
3
Q
Define Active
A
Erupted recently, likely to do so again
4
Q
Define Dormant
A
Sleeping, sometimes releases gas
5
Q
Extinct
A
Not erupted thousands of years not likely to do so again
6
Q
Global distribution of earthquakes and volcanoes
A
Clusters Belts - thin strip of volcanoes Near plate boundaries Where in eg South America (coasts) High concentration round Pacific plate
7
Q
Constructive Plate Boundary
A
Pushed apart - convection currents
Eg. Iceland
8
Q
Haiti Earthquake
A
Case study
9
Q
Primary Impacts
A
W
10
Q
Secondary impacts
A
W
