More craters are appearing in Siberia. Might have to do with Methane gas exploding underground due to rising temperature.
https://edition.cnn.com/2020/09/04/world/craters-tundra-siberia-trnd-scn/index.html
https://edition.cnn.com/2020/09/04/world/craters-tundra-siberia-trnd-scn/index.html