Killer Lakes

When Mount Nyiragongo erupted in the Democratic Republic of Congo in January 2002 it seemed like a disaster.Molten lava plunged down the hillside and poured into nearby Lake Kivu.

Many died, and much of the city of Goma was destroyed. In fact, the local people were lucky.

Had the eruption spread to one of the many volcanic faults under Lake Kivu, it could have unleashed one of the most terrifying of all natural phenomena – lake overturn.

The Nyos disaster promoted a survey of deep lakes in Africa and Indonesia to see where else lake overturn could happen. All seem to be safe, except one – Lake Kivu, in Rwanda.

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  1. I’d be willing to stipulate that the gas is NOT CO2, but Methane.

  2. Give them gas masks?

  3. Interesting documentary, thank you. I would love to see the map of which lakes were surveyed. Lake Taupo, here in NZ, has an active, submerged hydro-thermal vent which must be belching out considerable quantities of CO2 amongst other gases. I’d be very interested to see if Taupo was tested.

  4. Entirely disturbing documentary but fascinating. I never knew that such phenomena could exist in lake beds and the video footage to absolutely chilling. The world is a pretty hostile, unbelievably complex place and discovering little secrets like this that it can harbour and then randomly unleash succeeds in making an already quite vulnerable human being feel considerably more so.

    Highly recommended… turn the lights out and prepare for nightmares.