Worksheets2004 Indian Ocean Tsunami
Total questions: 21
Worksheet time: 11mins
What was the magnitude of the 2004 Indian Ocean Tsunami?
7.4 -7.6
8.1 - 8.3
7.7 - 8
9.1 - 9.3
What is an extreme natural event?
An event the rarely occurs and can have detrimental effects on the environment.
Events that occur everyday
Events that are caused by humans
Which of the following is not an extreme natural event?
Tsunami
Hurricane
Rain
Earthquake
The epicentre of the earthquakes located.....
160 km off the coast of Thailand
160 km off the coast of Sumatra, Indonesia
155 km off the coast of Sumatra Indonesia
What is the first stage of the formation of a Tsunami?
The tectonic plate pushes the water in a particular direction.
Gravity pushes the water outwards
Energy from the seabed vertically jolts the seabed, displacing hundreds of cubic kilometres of water
What can cause a tsunami?
Landslide
Underwater earthquake
Volcanic eruption
All of the above
Do all undersea earthquakes trigger a tsunami?
YES
NO
What is the deadliest tsunami ever recorded?
The 1782 South China Sea tsunami
The 1868 northern Chile tsunami
The 1883 South Java Sea tsunami
The 2004 Indian Ocean tsunami
What is frequently a warning sign of an impending tsunami?
Winds suddenly change direction
The sky suddenly clears
Seawater suddenly retreats from the shore
All of the above
Shaking from the earthquake lasted.........
8 -10 minutes
12 - 15 minutes
5 - 7 minutes
4 - 3 minutes
The earthquake ruptured a _________________ section of the oceanic crust
200 km
1300 km
2000 km
550 km
How many people were homeless due to the Tsunami?
1.3 million
990, 000
2 million
1.7 million
How long after the earthquake did the Tsunami reach land?
5 minutes
23 minutes
10 minutes
30 minutes
What does vulnerability mean?
How good a place is
How something id effected by an event
How susceptible to harm a person or a place is
How much money was donated by the international community?
US$ 800 million
US$ 14 billion
US$ 9 billion
US$ 400 million
What made the affected countries more vulnerable to the Tsunami?
Located within the Ring of Fire
High populations along the coastline
No warning systems
All of the above
What is Salinisation?
Increased levels of salt in soil and/or water
Removal of vegetation
Increased levels of debris in soil and/or water
What percentage of survivors reported being rescued by private individuals?
50%
60%
90%
30%
which of the following is NOT an natural effect of the Tsunami?
Increased salinisation of soil
Loss of livelihood
Crops and vegetation destroyed
Coral reefs damaged
Which of these is a long term response
Identification of bodies
Medical care
Temporary shelter
Tsunami warning systems set up
What is the biggest natural characteristic that made the area vulnerable to the Tsunami?
Geology
Relief
Location
Rivers and lakes
