This is one of the two types of mass wasting that you are likely to see evidence of on a regular basis (the other is soil creep). Soil slump is a common problem especially where slopes have been oversteepened or vegetation is disturbed on a hillside. Some soil slumps are large enough to cause significant property damage. Loss of life though is characteristically low, as this is not an especially fast type of movement.
number 1 is slump
yes
A slump is a mass movement that involves rock and soil moving as a single unit.
Slump is to slouch or collapse. For example, you could slump into a chair.
It would be categorized as a landslide.
number 1 is slump
Slow mass movement of soil down a slump where underlying material gives away
slump
yes
yes
number 1 is slump
Slump
If you mean a soil slump then no, adding mass to the head (top) of the slump will likely increase the likelihood of failure. If you are to add mass it should be added at the toe. However if you want to stop a slump moving the best thing you can do is to drain the area.
A slump is a mass movement that involves rock and soil moving as a single unit.
A shear breaks off or crumbles. A slump stays together however it will slump down.
Slump is to slouch or collapse. For example, you could slump into a chair.
Don't slump, you'll injure your spine.There was a big slump in sales.