The Explosive Hazard Hiding in an African Lake

[Ponzio]

Fascinating read.
https://www.smithsonianmag.com/science-nature/explosive-hazard-hiding-african-lake-180976024/?utm_source=smithsoniandaily&utm_medium=email&utm_campaign=20201014-daily-responsive&spMailingID=43683728&spUserID=OTA1OTU5NzUzNTU2S0&spJobID=1861201045&spReportId=MTg2MTIwMTA0NQS2

 

[Trebdp83]

My first guess was a gassy hippo.

 

[highfigh]

Gas cloud kills Cameroon villagers

An eruption of lethal gas from Lake Nyos in Cameroon kills nearly 2,000 people and wipes out four villages on August 21, 1986. Carbon dioxide, though ubiquitous in Earth’s atmosphere, can be deadly in large quantities, as was evident in this disaster. Lake Nyos and Lake Monoun are both crater...

www.history.com

How did Lake Nyos suddenly kill 1,700 people?

One evening, people heard their local lake rumbling. A day and a half later, 1,700 people were dead. What happened on that fateful night?

science.howstuffworks.com

 

[lovinthehd]

Then there's the changes in temperature up north that also are perhaps releasing gasses as things warm a bit https://www.nationalgeographic.com/science/2020/09/colossal-crater-found-Siberia-what-made-it/