P6 Unit 2 Lesson 10 Tsunamis

P6 Unit 2 Lesson 10 Tsunamis

By 5E-陳穎恩老師 SONIA

Open Ended

What is the first word that comes to your mind when you hear the word "tsunamis"?

A tsunami is a long, high sea wave caused by an earthquake or other disturbance.

Definitions from Oxford Languages

What is a tsunami?

​Watch a video to learn more about tsunamis.

​Link: https://www.youtube.com/watch?v=MfsugkikLJI

Poll

Which of the following is the deadliest tsunami in recorded history?

• Sumatra, Indonesia- 26th December 2004

• Lisbon, Portugal- 1st November 1755

• North Pacific Coast Japan- 11th March 2011

• Vajont dam Tsunami- 9th October 1963

It was a 9.1 magnitude earthquake that hit the coast of Sumatra and occured at the depth of 30 km. This fault zone that caused the tsunami was roughly 1300 km long.

Sumatra, Indonesia- 26th December 2004

Poll

Which of the following factors give rise to a tsunami?

• Earthquakes

• Landslides

• Volcanic Eruptions

• Meteorites and Asteroids

The answer is...

ALL OF THEM!

Tsunamis are caused by violent seafloor movement associated with earthquakes, landslides, lava entering the sea, seamount collapse, or meteorite impact.