CASE STUDY NYIRAGONGO ERUPTION 2002

Exactly the same problems of identification and duplication would have occurred. Near the lava delta the temperature and turbidity profiles showed some perturbations between 50 and m depth. Volcano under the city – Anatomy of Nyiragongo. Money does not even have to be given free though the food, pots and sheets were. The people of Goma were clearly right: While there may be genuine and well-founded fears around cash aid, there is only one real conclusion to be drawn: The economic activity which the programme revived, based on carpenters and builders, sent a buzz through the whole town and demonstrated clearly what a difference the reintroduction of wages made to the economy.

No one was injured by the explosions. The fault system passed through several villages Kasenyi, Buganra. In November , new fumaroles appeared on the N floor of Shaheru crater itself. Fractures left openings m deep. Markets quickly reopened after the eruption, and supplies of vegetables and fruit were soon re-established. But perhaps the aid community could be radical and say that people, especially adults, have a right to misuse their cash.

According to witnesses, on the previous day these flames had been orange in color and 1. In many parts of the world the natural environment presents hazards to people. Who could ever tell casd someone had gone round twice, or that a family was represented at three different distribution points?

Perhaps goods should have been given only to women, as at one point UNICEF had decided to do, or only to children, or only through churches.

Global interactions Unit 4: There was overwhelming evidence that, within a day or two, the only value of another nyiragojgo sheet or another cooking-pot was in its sale.

case study nyiragongo eruption 2002

New cracks and increased fumarolic activity were also detected on the southern inner wall of the summit crater, upslope of Shaheru crater. However, the short time intervals between the arrival of Nyiravongo and S waves as measured on seismograms indicated local sources. The outpouring lava left high-stand marks nyirabongo trees up to a height of 1. Notice the system of parallel fractures that runs from N bottom of photo to S top of photoa fissure-vent system that in this instance produced very fluid, pahoehoe lava flows under 1 m thick.

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Online Geography Resources

Aerial view at Nyiragongo after the January eruption, showing part of the lava flow field S of Lemera hill and N of Mugara hill. Yet aid workers persisted in treating people like children who could not be trusted with their 20002 money. The January eruption of Nyiragongo volcano was heralded by precursory phenomena detected since March by volcanologists of the GVO.

Saunders, Housing, Lives and Livelihoods: In particular, a huge school rebuilding programme generated budgets, employment and an explosion of small workshops making desks and chairs.

The hot lava could disturb the lake stability by starting lake-water convection. The team emphasized that methane is weakly abundant in permanent gas vents locally called “mazukus” that occur in the area, emanating through old lava flows, such as those to the W of Goma CO 2: Cost-recovery in the health sector: Locally, steam vents formed craters m deep. Despite this, agencies gave food, and the addition of food aid to the market depressed prices and impoverished those who were already selling in srudy market.

Mount Nyiragongo 2002 eruption case study

The aid response, both by the UN and NGOs, focused on this loss of shelter, and defined entitlement to assistance according to its loss. The strong gas smells and the elevated methane concentrations were taken as evidence of a methane-driven origin for the explosions.

case study nyiragongo eruption 2002

BBC News – Goma resilient despite devastation. Most of the gas bursts occurred at places or in areas that are broadly aligned with the N-S fracture system cutting the volcano and where ground gas emanations were persisting.

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The case for cash: Goma after the Nyiragongo eruption – ODI HPN

At another site, minor bursts occured every few minutes as wind blew through the fractures. A detailed report by eyewitnesses in Rusaya 8 km SW of the summit indicated that collapse started at on 22 January, coinciding with a series of felt earthquakes.

Abnormal casse of hydrocarbons were reported in many parts of the city, prompting the use of a portable infrared spectrometer allowing in-situ gas analysis. Although these explosions occurred at the time of felt earthquakes, the associated seismically induced ground movement was not severe enough to have been responsible for the observed localized type of damages.

Information was preliminary as of 9 February and subject to change. This was later confirmed by the registration of earthquake swarms presumed fracturing events in the Nyiragongo area: The aid response As aid responses go, Goma was not badly served.

case study nyiragongo eruption 2002

Concerns about such a hazard were raised when the lava flowed into the lake, together with the opening of new fractures, strong seismicity, and the poorly understood possibility of an underwater extension of the eruption. More synthesis and analytical work continues in order to assess fundamental questions on the stability of Lake Kivu stratification.

On 16 January, a few hours before the eruption onset, an abnormally strong smell of sulfur dioxide was also noticed by the pilot of a small private aircraft flying N of Nyiragongo Ted Hoaru, pers.

Kasareka who had climbed to the summit.