There are about 117 million lakes on our planet, and they cover almost 4% of the continental land. Lakes can be small or big, clean or dirty, vital for local infrastructure or...deadly. And if you've been wondering which lake is the most dangerous in the world and why, this video will answer your questions.

TIMESTAMPS:

Where the most dangerous lake in the world is situated 1:11

What makes Lake Kivu so dangerous 2:05

What happened at Lake Monoun in 1984 2:27

What happened at Lake Nyos in 1986 3:06

What characterizes crater lakes 4:11

What was the solution 6:21

How much contains methane gas Lake Kivu contains 7:06

How many people could die if Lake Kivu explodes 7:52

Music: https://www.youtube.com/audiolibrary/...

SUMMARY:

- The most dangerous lake in the world is situated in Africa on the border of the Democratic Republic of the Congo and Rwanda. It’s Lake Kivu, the ninth deepest lake in the world.

- On August 15, 1984, a loud boom sounded from the lake, according to locals. People saw a huge gas cloud over the surface of the water. This natural disaster took the lives of 37 people.

- The theory was proved false 2 years later on August 21, 1986, when a much more disastrous explosion shook Lake Nyos, which is located just 62 miles away from Lake Monoun. This time, the catastrophe happened at night and took the lives of more than 1,700 people.

- Crater lakes usually have extremely high levels of CO2 due to the volcanic activity that’s happening many miles beneath the surface. Under normal circumstances, this gas is occasionally released during the lake water turnover.

- Nowadays, measures have been taken to prevent similar catastrophes from happening. The solution was quite simple: degassing. Authorities installed a pipe that runs to the very bottom of Lake Nyos.

- Lake Kivu contains more than 55 billion cubic meters of methane gas, which is generated at the bottom of the lake. On top of that, it's also located in a crater, and its volcanic rock bed has layers of carbon dioxide.

- Either the methane explosion or CO2 poisoning could take the lives of more than 2 million people living in the basin of Lake Kivu.

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