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Flashcards in Volcanos Deck (10)
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1

Type of volcanoes

Composite - long, broad, gentle lava flow
Shield - erupts violently, steep

2

Features of a volcano

Crater
Ash cloud
Shield/ composite
Magma inside in magma chamber

3

Define Active

Erupted recently, likely to do so again

4

Define Dormant

Sleeping, sometimes releases gas

5

Extinct

Not erupted thousands of years not likely to do so again

6

Global distribution of earthquakes and volcanoes

Clusters
Belts - thin strip of volcanoes
Near plate boundaries
Where in eg South America (coasts)
High concentration round Pacific plate

7

Constructive Plate Boundary

Pushed apart - convection currents
Eg. Iceland

8

Haiti Earthquake

Case study

9

Primary Impacts

W

10

Secondary impacts

W