Indonesia, Mt Merapi Volcano 2010

Question 1

background/tectonic info

Answer 1

LIDC
stratovolcano -> layers, large pyroclastic flow, dome eruption
26th Oct - 12th Nov 2010
ring of fire
more volcanoes than any otters country
widespread subduction alone the entire 3000km length of the Indonesian archipelago
Merapi; highly active, crater collapsed producing pyroclastic flows extended 4km to N, 11.5km to W. 3-4 VEI (slightly larger than Eyjafjallajokull
Indo Australian plate + eurasian plate = convergent

Question 2

social impacts

Answer 2

367 killed, 227 injured
410,000 became refugees
destroyed infrastructure - buildings + power lines
clouds of ash shot from crater and covered towns up to 150 miles away
evacuation centres overcrowded = poor sanitation

Question 3

economic impacts

Answer 3

large no. of livestock killed
ash falls forced closure of Yogyakarta airport for over a fortnight
veg prices increased due to damage

Question 4

environmental impacts

Answer 4

sulphur dioxide caused acid rain
lahar created
water supplies contaminated w acidic lava + ash

Question 5

political impacts

Answer 5

International aid from red cross
govt giving money to farmers to replace livestock
task force to support people that have been affected
mistrust - evacuating but still have their property