Nyiragongo Flashcards
where is mount nyiragongo?
central Africa, Democratic republic of the Congo, close to the border with Rwanda
what is the GDP per capita of the DRC
£653
popilation of Goma?
2 million
where is Goma
city in the Democratic republic of the Congo, next to lake Kivu and Rwandan border
Goma distance from Nyiragongo?
50km
what rift/plate boundary is Nyiragongo on?
located on the western branch of the east african rift
constructive plate boundary where the african plate is being pulled apart into the nubian plate to the east and the somalian plate to the west
what are the dimensions of Nyiragongo
composite volcano, main crater is 250km deep and 2km wide
contains lava lake in the middle
what happened in the 2002 eruption?
fissure plates near lake Kivu fractured, 13km fissure opened on south flank, ejecting lava
there was a small ash cloud, but the biggest threat was the lava flow which split into three arms and disected the city.
co2 can seep through the ground
2002 VEI score?
1
when was the 2002 eruption?
17th January at 8:25 am
how many people died as a result of the 2002 eruption and how many people were left homeless?
245 people died
120,000 people homeless
how many people were evacuated in 2002?
400,000
why was the 3 lava streams an issue?
some groups were cut off and couldnt recieve aid
when was the 2021 eruption?
22nd May 2021 at 19:00
what happened in the 2021 eruption?
two lava flows, beginning around 1800m high
one head east towards Rwanda
other stream stopped just before reaching Goma airport, which was very fortunate as it meant aid could come in
how many died in 2021 eruption?
32, including 3 children
most killed in car crashes in the rushed evacuation
electrical outage across large areas
how many people were left without clean water in 2021?
500,000, pipeline damaged by volcanic eruption cutting of access to potable water
how many cholera cases were recorded in 2021
19
hard rock, hard to build long drop toilets
in 2021, how many people were displaced from the DRC and how many fled to Rwanda as refugees?
400,000
7,000 to Rwanda
short term responses to 2021 eruption?
- The official declaration of volcanic eruption was released by the military governor of the province of North Kivu and the volcanological observatory of Goma who had been coordinating the crisis response
- evacuation of thousands of people
long term responses to 2021 eruption?
- there was increased volcanic activity earlier in the year that suggested that another eruption was possible, the Goma volcano observatory functions were limited by budget cuts and limited fiscal means.
- Congolses government launched a project to relocate people to temporary camps before encouraging them to move to a new village development for their permanent resettlement
- one year after eruption with lava still steaming, houses have begun to be built on the new lava fields (dangerous)
- 2 years after eruption, 300 new structures have been built on the lava flows