Sinkholes as long as a skyscraper and as wide as a city street open up in the Arctic seafloor
Melting permafrost is causing parts of the seafloor to collapse.
By Jeanna Bryner, Live Science, March 16, 2022
[www.livescience.com]

The open access paper is:

Paull, C.K., Dallimore, S.R., Jin, Y.K., Caress, D.W., Lundsten, E., Gwiazda, R., Anderson,
K., Hughes Clarke, J., Youngblut, S. and Melling, H., 2022. Rapid seafloor changes
associated with the degradation of Arctic submarine permafrost. Proceedings of the
National Academy of Sciences, 119(12), p.e2119105119.
[www.pnas.org]

Yours,

Paul H.

"The past is never dead. It's not even past."
William Faulkner, Act 1, Scene III, Requiem for a Nun (1951)