un glissement de terrain in English:

Traffic was blocked by a landslide.

The house was buried beneath a landslide.

A boy sets out to find his family ten years after heavy rain caused terrible floods and landslides in Vargas, Venezuela.

To win by landslide

According to the press, there were no further landslides.

The landslide was caused by two weeks of heavy rain.

The heavy rain caused a landslide which buried half of the village.

A landslide approval was voiced for his candidacy.

When dirt and rock from a mountainside coming sliding down, call it a landslide.

... Democratic candidate won a landslide victory with 52 percent of...

That landslide produced a lot of misery.