Chapter 5-tsunamis Flashcards
What is a tsunami?
A special type of wave where the entire depth of the sea is set in motion by an event (earthquake) which displaces the water above it and creates a huge wave
The Indian tsunami- case study
When did it happen and why?
26th December 2004
Result of the indo-Australian plate subducting beneath the Eurasian plate
The Indian tsunami-case study
What magnitude was the earthquake?
9.3
The Indian tsunami-case study
How many people died and got injured?
220,000 killed
650,000 were seriously injured
The Indian tsunami-case study
How many people were made homeless?
2 million
The Indian tsunami- case study
How many settlers in Sumatra did it wipe out?
1200 settlements
The Indian tsunami-case study
What were the long term effects?
Many hotels destroyed-damaged the tourist industry-main income
Many lost jobs
Schools and hospitals destroyed
Children couldn’t be education and injuries couldn’t be treated
The Indian tsunami-case study
What were the responses?
Emergency services struggled, bodies in streets
International community-fresh water, food, medical teams come to help
£75 million UK help
£372 million donated from UK public
The Indian tsunami-case study
What were the responses?
(How were donations spent)?
20,000 houses built
100,000 for homeless people
The Indian tsunami-case study
What was set up in June 2006? And what did they do?
The Indian Ocean tsunami warning system
They ensured people knew how to respond and that local authorities have plans in plate are essential for its success
How do tsunamis form?
Usually triggered by earthquakes
Secondary effect- displacement of water above the moving crust
