Before we had reported on some big tube-shaped holes opening up around Siberia and other places that had to do with methane.
Scientist, Guy McPerson says these methane releases are a dire warning sign for human life on the planet – at the 26 min. mark –
LINK – https://youtu.be/nD1gw2d24DQ
Possibly related –
Strange Sounds – Canal completely drained after huge 100ft wide sinkhole opens up just feet from a boat in Cheshire, UK
Strange Sounds –
Reindeer herders in Russia’s Far North have discovered yet another mysterious giant hole about 30 kilometers away from a similar one found days earlier.
Located in the permafrost of the subarctic Siberian region of Yamal, which means “end of the earth” in the local Nenets language, both craters appear to have been formed in recent years and have icy lakes at their bases. . .
Video of #2
Earlier post about crater #1
Here is a picture of a LAVA TUBE … but investigating scientists would already know about those.
UPDATE, Aug. 22
Washington Post – Scientists may have cracked the giant Siberian crater mystery
“It may be methane gas, released by the thawing of frozen ground.”