This was released recently but not sure if this is the exact same scenario you are talking about or if it is just a probability update on the worse case scenari

This was released recently but not sure if this is the exact same scenario you are talking about or if it is just a probability update on the worse case scenario based on similar studies of the phenomena. https://scripps.ucsd.edu/news/natural-methane-time-bomb-unlikely-wreak-climate-havoc https://scripps.ucsd.edu/news/natural-methane-time-bomb-unli...