The 2018 Sunda Strait Tsunami
I can explain how a tsunami occurs and what happened in the Sunda Strait in 2018.
The 2018 Sunda Strait Tsunami
I can explain how a tsunami occurs and what happened in the Sunda Strait in 2018.
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Lesson details
Key learning points
- A tsunami is a series of large, powerful ocean waves caused by a sudden disturbance.
- Undersea earthquakes, volcanic eruptions and landslides can displace sufficient water to trigger a tsunami.
- In 2018, a tsunami was caused by the collapse of the Anak Krakatau volcano in the Sunda Strait in Indonesia.
- Tragically, the tsunami led to the deaths of over 430 people.
- The impact was devastating due to insufficient warning systems, the Strait funnelling the waves, and the time of day.
Keywords
Tsunami - a series of large, powerful ocean waves caused by a sudden disturbance
Displace - to move something from its original position, e.g. ocean water
Infrastructure - the basic systems in a country, such as transport and power supply
Common misconception
Tsunamis are just big waves.
Tsunamis are caused by displacement of the ocean, not wind blowing over the surface. Tsunami waves don’t break, they come as a fast-moving wall of water, which can be far bigger and faster than a normal wave. They can also flood kilometres inland.
To help you plan your year 8 geography lesson on: The 2018 Sunda Strait Tsunami, download all teaching resources for free and adapt to suit your pupils' needs...
To help you plan your year 8 geography lesson on: The 2018 Sunda Strait Tsunami, download all teaching resources for free and adapt to suit your pupils' needs.
The starter quiz will activate and check your pupils' prior knowledge, with versions available both with and without answers in PDF format.
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Explore more key stage 3 geography lessons from the Tectonic hazards: Why is Earth restless? unit, dive into the full secondary geography curriculum, or learn more about lesson planning.
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Prior knowledge starter quiz
6 Questions
Molten rock beneath Earth's surface
The point on the surface above a quake
Molten rock that has reached the surface
A large section of Earth's crust that moves
Assessment exit quiz
4 Questions
Large ocean waves caused by sudden disturbance
Move from original position
Basic transport and power systems