 
<translate> Ozi dị mkpa bụ: N'abalị iri abụọ na otu n'ọnwa Ọgọstụ n'afọ 1986, mgbawa ugwu na ọdọ mmiri Nyos dị n'ebe ugwu ọdịda anyanwụ Cameroon gburu mmadụ 1,746 na anụ ụlọ 3,500. Ya mere, azịza ya bụ 3,500. <eng> The relevant information is: On 21 August 1986, a limnic eruption at Lake Nyos in northwestern Cameroon killed 1,746 people and 3,500 livestock. So, the answer is 3,500. 