Scientists Believe That There’s a Geological Time Bomb Under Alaska – and It’s Likely Catastrophic

Relatively Shallow

Even though some frozen sections can be relatively shallow, other regions can stretch as far as 3,000 feet. The bigger the permafrost in this region, the larger the time bomb located underneath this area.

Relatively Shallow

Two Types

However, not all permafrost is the same. It can either be continuous permafrost, which is a single sheet of frozen ground, or it’s discontinuous permafrost, which consists of frozen ground breaking up into numerous pieces.

Two Types