Mount Merapi Case Study Flashcards

1
Q

Where is Mount Merapi

A

On the border between Central Java and Yogyakarta and, Indonesia. This volcano is also apart of the Pacific ‘Ring of Fire’

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

When did the eruption take place

A

In late October 2010 and continued to erupt until the 30th of November 2010

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Why did the eruptions take place i.e. What caused them

A

The eruptions were caused by the Indo-Australian plate being subducted beneath the Eurasian plate

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What happened

A

Seismic activity around the volcano increased from mid-September onwards, culminating in repeated outbursts of lava and ashes.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Who was effected

A

At least 64 people were killed
Dozens were treated for burns and respiratory problems
An estimated 75,000 residents were evacuated from the area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

List as many primary effects of this eruption as possible

A
  • Volcanic bombs and hot gases of up to 800°C spread over 11km away
  • Pyroclastic flows spread 3km down the mountain
  • Ash fell up to 30km away and 5km into the sky. 15km away, villages were under 30cm of ash
  • Sulphur Dioxide was blown across Indonesia and as far South as Australia
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

List as many secondary effects of this eruption as possible

A
  • Vegetable prices increased because of the damage to crops
  • Emergency shelters had to be moved over 15km away
  • Danger area extended to 20km from the mountain and 278,000 people living in this area had to flee their homes
  • Planes were grounded in Western Australia because of the risk of damage to aircraft from the ash cloud
How well did you know this?
1
Not at all
2
3
4
5
Perfectly