Quick clay is actually an old seabed. The clay thus formed under water, but came to the surface when the landscape rose after the last ice age. However, this clay was not so dangerous, because it was ...

Quick clay originates from ancient seabeds. The clay only becomes dangerous after the salt has been washed out by freshwater, which makes it unstable. NTNU researchers have carried out detailed ...

Quick clay, a naturally occurring sensitive marine clay that can undergo sudden liquefaction when disturbed, poses a significant hazard in regions across Scandinavia, Canada and beyond. Recent ...

Quick clay collapse can be both dangerous and costly. New research will help us understand more about why the clay is so unstable. And maybe what we can do about it.

The soft, dark grey substance that geologists call “quick clay” is composed primarily of small flaky particles and a great deal of water. It contains very little of the electrolytic salts that tend to ...