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      Earthquakes and tsunamis: Honshu, Japan, 2011

      Lesson details

      Learning outcome

      I can describe and explain the causes and consequences of the earthquake in Honshu, Japan, 2011.

      Key learning points

      1. The earthquake was the fifth most powerful earthquake of all time.
      2. The epicentre was on the sea bed, 70km east of the Honshu coast.
      3. The resulting tsunami wave was 40 metres high and came inland for 10km.
      4. More than 350,000 buildings collapsed or were damaged and over 15,000 people died.

      Keywords

      • Tsunami - Tsunamis are huge waves caused by earthquakes or volcanic eruptions under the sea.

      • Pacific plate - The Pacific plate is the largest tectonic plate. It is situated between North and South America to the east, and Australia and New Zealand to the west.

      • North American plate - The North American plate is the tectonic plate that includes most of North America.

      • Impact - To have an impact is to have an effect on someone or something.

      Common misconception

      Tsunamis are random events caused by severe weather.

      Tsunamis are not random events but are caused by tectonic plate movement underneath the ocean.

      Teacher tip

      A mini tsunami can be made using a tray, sand, a whiteboard and water. Place sand at one end of the tray and fill the rest of the tray with water. Use the whiteboard to quickly push the water towards the sand. Students will see the tsunami hit the sand (beach) and water (sea) recede.

      Content guidance

      Depiction or discussion of violence or suffering

      Supervision

      Adult supervision required

      Licence

      This content is © Oak National Academy Limited (2025), licensed on Open Government Licence version 3.0
      except where otherwise stated. See Oak's terms & conditions
      (Collection 2).

      Lesson video

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      Prior knowledge starter quiz

      6 Questions

      Q1.
      What do the coloured dots in this map represent?

      An image in a quiz
      Correct Answer: Earthquakes, Earthquakes around the world

      Q2.
      What is happening in this diagram?

      An image in a quiz
      a country is being split in half
      Correct answer: the tectonic plates are moving in opposite directions
      the tectonic plates are moving towards one another

      Q3.
      What is the strength of an earthquake called?

      Correct Answer: magnitude

      Q4.
      Use the picture below to identify where earthquakes occur.

      An image in a quiz
      Randomly all over the world
      Correct answer: Mostly at tectonic plate boundaries
      In the sea

      Q5.
      Scientists now use the scale to measure Earthquakes.

      Correct Answer: Moment magnitude, Mw

      Q6.
      The is the point on Earth's surface directly above the focus.

      An image in a quiz
      Correct Answer: epicentre
      Q1 Map of earthquakes in 2017, Phoenix7777, 2017, Licensed under CC BY-SA 4.0 Q4 Map of earthquakes in 2017, Phoenix7777, 2017, Licensed under CC BY-SA 4.0

      6 Questions

      Q1.
      Huge waves caused by earthquakes or volcanic eruptions under the sea are called...

      Correct Answer: Tsunamis

      Q2.
      What was the magnitude of the 2011, Honshu Japan earthquake on the Moment Magnitude Scale?

      Correct Answer: 9, Nine

      Q3.
      How high was the tsunami that occurred from the 2011 Honshu, Japan earthquake?

      20 metres
      Correct answer: 40 metres
      60 metres

      Q4.
      How many buildings were collapsed or destroyed in the 2011 Honshu, Japan earthquake

      100,000
      200,000
      Correct answer: 350,000

      Q5.
      The largest tectonic plate is the...

      Correct Answer: Pacific plate, Pacific tectonic plate

      Q6.
      Which two tectonic plates caused the 2011 Honshu, Japan earthquake

      The North American and Eurasian plate
      Correct answer: The Pacific and North American plate
      The African and Australian plate
      The South American and African plate

      To help you plan your 6 geography lesson on: Earthquakes and tsunamis: Honshu, Japan, 2011, download all teaching resources for free and adapt to suit your pupils' needs...