Large lava fountains are associated with the flank eruptions of Nyramuragira. The previously molten centre of the encrusted lava flow that cuts Goma in two was now hardening and that less lava was falling into Lake Kivu, just south of the town, than before. Foreign Government Response not necessarily associated with the U. However, seismic activity continues at a high level and scientists are concerned that tectonic rifting may still be occurring. The electrical grid needs strengthening so that power can be switched along different routes when a line is disrupted by a lava flow. Nyiragongo and Nyamuragira volcanoes, about 13 miles and 25 miles northeast of Goma, are the only two active volcanoes in the region.
The lava flows damaged 14 villages as they destroyed everything in their paths including, buildings, homes, and the port in Goma. Further work is needed on the dispersion modelling of the gas cloud to determine the extent of the evacuated area, which will in any event be greater than that needed for the lava flow into the city. The evacuation of Goma would therefore also reduce the loss of life expected in a gas release from Lake Kivu. Only a small amount of food had been stored at Gisenyi. What we can conclude at this stage is that vulnerability amplifies the danger to the population of Goma in two main ways. In January , the opening of fissures lower down and directed towards Goma may reflect a new evolution for the volcano with eruptions caused by rifting.
Volcanoes – Edexcel – Revision 7 – GCSE Geography – BBC Bitesize
In mid-July, a plume of volcanic gases was observed coming from the summit crater, and the volume of the plume has continued to grow. By early August a standardized health surveillance system was established.
User-managed public health promotion in the Mekong Delta, Vietnam. The risk of an epidemic is greatest with an evacuation of Goma, or a return to Goma before its shattered lifelines are restored as occurred on January 19, The danger included the wide-scale fissuring and lethal ground gas emissions and, above all, the potential for the eruption to catastrophically release the gases carbon dioxide and methane stored in the depths of Lake Kivu.
Democratic Republic of the Congo – Volcano Fact Sheet #13, Fiscal Year (FY) 2002
The health risks of evacuating a population the size of Goma for weeks or months should also be evaluated for risk assessment purposes Appendix 2. A medical team at Gisenyi Hospital also worked through the eruption. Global risks and resilience 6. The risk assessment will need to incorporate expert opinion on the health hazards, especially cholera, which remains a serious hazard in a mass movement of the population of Goma in response to a volcanic threat.
Tietze has performed the most comprehensive study of the gas problem in Lake Kivu. Interviews were held with local officials, the staff of the city’s utilities, nyirahongo workers for NGO’s and international agencies in Goma.
People who were unable to collect water from the piped system after the eruption would have taken water from the lake.
The situation was exacerbated by the lava on which Goma was built, which made digging latrines impossible. The quality is poor but manageable and water quality tests would indicate that lake water can be pumped into the system and treated for distribution.
An estimated 90, people remain homeless. Chartered flight with relief supplies including 34 MT of food and non-food items Government of Spain: The epidemiological surveillance programme showed a large increase in total attendances at the two hospitals and 18 functioning primary health care centres after the eruption Fig.
Congolese Return to Volcano Devastated Goma Nyiragongo Volcano Democratic Republic of Congo Monday 21st January, Tens of thousands of people who fled the volcanic eruption in Congo streamed back across a vast field of steaming lava on Sunday, returning to their ruined town and shunning refugee camps being set up by aid workers. A cholera outbreak was prevented by the rapid intervention of NGO’s and other agencies to provide chlorinated drinking water from Lake Kivu.
Volcanic risk management is currently focused on the Goma Volcano Observatory with support from international scientists. The vents are known in Swahili as Mazuku places with “evil winds”and the depressions are often the locations of dead animals and birds that have been killed by the gas.
Nyiragongo | Virunga Volcanoes
However at the time of reporting, it officially remains closed but planes up to the size of a C could land once permission is given. The main volcanic edifice is composed by a 1. High energy biscuits are being distributed.
Emergency supplies of food BP5 – dried food and biscuits for three to five days had not been stockpiled before the eruption. Create your own flipbook. On January 18, U. This flow acted as a barrier to the return of the population from the east.
Emergency health measures include the provision of chlorinated water along evacuation routes and in refuge areas, and adequate medical cover for the treatment of cholera and other enteric diseases. It is likely that people will ignore warnings and will wait for an eruption to occur before taking action.
Mount Nyiragongo 2002 eruption case study
A service provided by UN OCHA ReliefWeb has been the leading online source for reliable and timely humanitarian information on global crises and disasters since The aid response, both by the UN and NGOs, focused on this loss of shelter, and defined entitlement to assistance according to its loss. Lava flows stopped in Maybut red glow was still visible at night at the new vent. It erupted over 20 times in the 20th Century and its crater also held a lava lake until The Virunga Mountains stretch from east to west for about 80 km.
Often concealed by cloud, Nyiragongo has been reluctant to yield its secrets. An essential task for this group would be to define the eruptive scenarios and estimate their probabilities using elicitation and expert judgement methods, as was undertaken for the Montserrat volcanic crisis.