Natural hazard lurks beneath lake in Africa.

From: The Dallas Morning News (via Knight-Ridder/Tribune NewsService) | Date: January 25, 2002 | Copyright information

Byline: Alexandra Witze

The recent eruption of Nyiragongo, one of Africa's most active volcanoes, has highlighted another natural hazard threatening the area.

Lake Kivu, on the border of the Democratic Republic of Congo and Rwanda, contains deadly amounts of carbon dioxide and methane gas dissolved at its bottom. If enough lava flowed into the lake, or a volcanic fissure opened underwater, the gases could churn to the surface and threaten to suffocate local residents, scientists say.

"There is another natural hazard lurking beneath the lake," says George Kling, a ...

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