1.5 If It Congo Wrong

Question 1

Lava Flows

Answer 1

Molten magma once it emerges onto the surface.

Question 2

Pyroclastic Flows

Answer 2

Originate from frothing bubbles of molten magma that burst in the vent, ejecting a dense mixture of hot gases and pyroclastic material that can reach up to 1000C. They’re fast and will destroy anything in their way.

Question 3

Ash Falls

Answer 3

Ash falls carry into the atmosphere and can spread to other countries, they can cause roofs to collapse, machinery to choke, breathing difficulties and make it difficult to access places. They can also reach high in the sky meaning they disrupt flight paths.

Question 4

Gas Eruptions

Answer 4

Sulphur dioxide forms particulates that become a part of the atmosphere, which can cause acid rain in the long term and damage ecosystems, corrode infrastructure and affect vegetation.

Question 5

Lahars

Answer 5

Can be caused by heavy rain or volcanic ash and is water mixed with volcanic deposits, they flow rapidly along existing valleys, they move very fast and can go up to 60km/h and once they funnel into valleys they move even faster, picking up more water.

Question 6

Why Is Mt Nyiragongo So Dangerous?

Answer 6

Eruptions in 1977,2002,2021.
2km wide lava lake.
Scientists work 365 days a year
High destruction to life and infrastructure.
Low level of education amongst population.