Volcanoes

Question 1

Where do volcanoes occur?

Answer 1

volcanoes occur where plates move together (constructing and destructive)

Question 2

what is the name of the name given to the volcanoes in the Pacific?

Answer 2

The Pacific Ring Of Fire

Question 3

What is the Volcano case study?

Answer 3

Montserrat

Question 4

Where is Montserrat situated?

Answer 4

a small country in the west Indies

Question 5

What is the name of the volcano ?

Answer 5

Sourfriere Hills

Question 6

What caused Montserrat to erupt?

Answer 6

Montserrat is situated on a destructive plate boundary between the Caribbean plate and the Atlantic plate. These two plates are slowly moving together forcing the denser oceanic plate under the continental plate.

Question 7

How can the volcano be monitored? 6.

Answer 7

-Seismic Network
-Infrared
-Photography
-Tiltmetres
-GPS network
-Monitoring SO2 Flux

Question 8

How is seismic network used to monitor the volcano?

Answer 8

Seismometers monitor ground noises and shaking. This helps as we know when a volcano is erupting.

Question 9

How is Infrared used to monitor the volcano?

Answer 9

measures the heat of the magma and is easier to see through cloud. It shows the the hottest points which are most likely to collapse or erupt.

Question 10

How is photography used to monitor the volcano?

Answer 10

Taking photos shows a change. Where the most change has taken place that shows a concern

Question 11

How is tiltmetres used to monitor the volcano?

Answer 11

shows the slope change, If it is getting steeper it is more likely to erupt.

Question 12

How is GPS Network used to monitor the volcano?

Answer 12

shows a change in height and shape in the volcano. When that increases there is a high chance the volcano will erupt.

Question 13

How is monitoring the SO2 flux used to monitor the volcano?

Answer 13

the more gas there is and the more concentrated it is, the more likely it is to erupt.

Question 14

What are 4 effects on people from the eruption?

Answer 14

• rescue workers were recovering the bodies of 7 people.
  -amimals were abandoned by owners
• the old town of Plymouth was destroyed by the pyroclastic flow
• smoke, steam and ash billowed from the mountain and people struggled to breath.

Question 15

What are 4 effects on the landscape from the Volcano?

Answer 15

-crops failed
-houses were set ablaze by the hot ash
-10ft of ash rained down all over the island
- airport was buried by the pyroclastic flow

Question 16

Name 4 examples of short term aid given.

Answer 16

• evacuation
  -abandonment of the capital city
  -British Government gave money for compensation
  -Food and water given to those homeless

Question 17

Name 4 examples of long term aid given.

Answer 17

-an exclusion zone was set up
-volcanic observatory was built
-new roads and airport was built
-services in the north were expanded