Volcanic Hazards

What kinds of hazards exist when a volcano erupts?

        1. Lahars                                                2. Poisonous Gases

     

3. Ash                                                            4. Pyroclastic Flow

5. Lava Bombs                                               6. Lava Flow

What effects do you think these hazards have?

Which cause the most deaths / damage to landscape / damage to property?

Which is the worst case scenario?

Mount Patana

Mount Patana has been dormant for many years now - but has started to erupt!

Radio messages have been released........

1. Can you decide which hazard is being reported?

Study the map below

2. Which settlements will each hazard effect?

3. Mark the hazard areas onto the map and label them.

4. Add annotation to describe the hazard and their effects.

A. Primary Effects - immediate consequences

B. Secondary Effects - effects caused by the primary impacts

i.social - on the people

ii. economic - effecting money, trade and business

iii. environment - landscape

Note : these can be advantages as well as disadvantages!

You could also categorize these into those that have short term impacts and those that have an impact for a long time (long term impacts).

Which town or village would you prefer to live in? Why?