ALL CASE STUDIES IN 1 DECK Flashcards
Mount Merapi Location Cause of Eruption Main phase of eruption What type of volcano it is
Location:
- Southeast Asia
- Java Island, Indonesia
- Pacific Ring of Fire
Cause:
- Destructive plate boundary
- Indo-Australian plate subducted beneath the Eurasian plate
Main phase:
26th October to 12th November 2010
Type of volcano:
Composite volcano
Mount Merapi
Any 3 short term impacts
Examples include:
- Pyroclastic flows spreaded 3km down the volcano
- Volcanic bombs landed upto 11km away
- Ash blasted upto 5km upwards and 30km away
- Sulphur dioxide was released (harmful)
- 300,000 people had to leave homes
Mount Merapi
Long term impacts
- Ash leads to fertile soils
- 353 deaths and 577 injuries
- Technology improved to prepare for next eruption
Hurricane Irma
Short term impacts
- 7.7 million people in Florida lost electricity
- Road tolls suspended so more people can evacuate in Florida
- Tourism industry affected especially in the Caribbeans
Hurricane Irma
Long term impacts
- 134 deaths and 84 in Florida
- $65 billion total economic damage and $50 billion in Florida
- 90% of structures in Barbuda were damaged
Christchurch Earthquake
Background info
- Happened at 22nd February 2011, 12:51pm
- Magnitude of 6.3
- Epicentre was 10km away from Christchurch and focus was 5km deep
- Shaking lasted 12 seconds
- Conservative plate boundary
- Australian and Pacific plates involved
Christchurch Earthquake
Short term/immediate impacts
- Schools closed for 2 weeks
- Christchurch cathedral lost its spire
- Roads, bridges, cars crushed by falling debris
Christchurch Earthquake
Long term impacts
- Economic cost of NZ $3.5 billion
- 181 deaths and 2000 injuries
- Liquefaction produced 400,000 tonnes of silt and land damaged by liquefaction can not be built on again
Christchurch Earthquake
Immediate/short term responses
- Australian government donated over NZ $6.7 million
- 300 police officers from Australia flown in
- 27,000 chemical toilets flown in
Christchurch Earthquake
Long term response
- Recovery co-ordinated by satellite imagery
Nepal Earthquake
Background info
- 25th April 2015 at 11:56am
- Focus was 8km deep and epicentre was 60km away from Kathmandu
- Magnitude was 7.8
- 3 aftershocks, all above magnitude 5
- Collision plate boundary
- Indian and Eurasian plate involved
Nepal Earthquake
Short term impacts
- Avalanches and landslides blocked roads
- Affect on tourism industry
Nepal Earthquake
Long term impacts
- 8632 deaths, 19009 injuries
- Economic damage of $10 billion
- 3 million people left homeless
Nepal Earthquake
Immediate/short term responses
- India and China donated over $1 billion
- UK donated over 73 million pounds
- Workers from red cross came to help
Nepal Earthquake
Long term responses
- GIS tool used to co-ordinate response
- Kids being educated to do earthquake drills
- 7000 schools needed to be rebuilt