Hunga Tonga-Hunga Ha’Apai Volcanic Eruption Flashcards
Where is Hunga Tonga-Hunga Ha’Apai?
Located in the South Pacific Ocean, 65km away from Tongas capital Nukualofa.
What arc of volcanos is Tonga apart of?
Pacific Ring of Fire
What is the ring of fire?
Tectonic belt of volcanos and earthquakes. 40,000km long and contains roughly 2/3 of the worlds volcanos.
What is the height and width of the volcano?
1.8km high and 20km wide
Why did the eruption occur?
Destructive plate margin. Pacific plate meets the Australasian Plate.
Which plate subducted?
Pacific plate sub-ducted the Australasian plate.
How large was the tsunami after the eruption?
30 metres tall.
What beach was closed as a short term effect?
Australias Bondi Beach located in Sydney.
How many people were evacuated?
230,000 people.
What did the UN state after the eruption?
Water was unsafe due to the ash and 80% of the populations water is not drinkable.
How much money did Australia and New Zealand give to aid?
£1 million.
What did the HMNZM’s do?
Delivered 250,000 litres of water to people in need.
What was fixed 5 weeks later in Tonga?
The Submarine Internet Cable which connects Tonga to the world.
Social Impacts of the Volcanic Eruption:
- Communication line ruined.
- Respiratory issues heightened putting pressure on healthcare services.
How many people were impacted?
80% of the population.
85,000 people.
