Comparing Eruptions

A2 Natural Hazards – Year 10

Lesson 7

Why was the Pinatubo eruption more of a disaster

than Mt. St Helens?

What is meant by disaster?

How does the damage compare?

How could development levels impacted these eruptions?

Key Question today is…

What sub-questions do we need to consider to answer the key question?

SSA – WARNING!

Next lesson will be your first SSA assessment.

It will be a past exam paper section on Natural Hazards covering everything we have done so far.

HWK = revision – there are some mini quizzes on Haiku to support.

Mount St Helens

Fact file recap!

Create a snappy fact file on Mt. St. Helens. Use your notes and the web.

When did it happen?

Where did it happen?

What plate boundary?

How many died?

Damage to buildings?

Cost of repair?

Other details?

Mt. Pinatubo

Use pages 84-85 of Textbook to do the same for Pinatubo:

When did it happen?

Where did it happen?

What plate boundary?

How many died?

Damage to buildings?

Cost of repair?

Other details?

So why the difference?

Prediction

Preparation

Response

Recovery

Question:

Suggest why the problems caused by volcanic eruptions differs depending on the level of economic development in the area affected. [6 marks]