Kilauea Flashcards
Where is Kilauea located?
Hawaii
What does Kilauea rank internationally number 1 for?
for being one of the most active volcanoes in the world
Since when has Kilauea been erupting?
1983
What type of volcano is kilauea?
a broad shield volcano
What type of lava flow does Kilauea have?
basaltic lava flows
How does the lava flows affect the eruptions?
the eruptions are more effusive
What is Kilauea on top of?
a mantle plume (oceanic hotspot)
How many shield volcanoes are there in Hawaii?
5
What is the main primary impact of Kilauea?
lava
How much land has lava covered since 1983? (Kilauea)
100km2
What is an example of the lava impacts in 1990?
In 1990, Kalpana village was buried between 15-24m of lava
What happens when lava comes into contact with water in Kilauea?
Steam forms and lava explodes into the air which endangers sea life
What is a positive secondary tourism impact of Kilauea?
2.6 million tourists visit Hawaii Volcanoes National Park yearly
What is an positive economic secondary impact of Kilauea?
lava produces fertile soil, so good place to grow crops such as sugar cane and pineapple which contributes US$30million per year
What has Kilauea been doing steadily since 1986?
It been steadily releasing up to 200 tonnes a day of sulphur dioxide gas
What are the impacts of the sulphur dioxide gas?
-potentially lethal 1km of the volcano
-persistent air pollution
-acid rain
What are the human secondary impacts of sulphur dioxide?
damages crops, cars, vehicles, buildings and can contaminate water supplies
What is located close to Kilauea that aids monitoring?
The Hawaiian volcano observatory is located close to the crater
What do volcanologists at the observatory do?
monitor the volcano and issue warning about possible evacuations and eruptions
What is a potential risk in Kilauea?
weak planning laws and a growing population mean building is occurring in area at risk from the volcano
What would make a Kilauea explosion do devestating?
there are thousand of visitors on Kilauea daily
