There was a soundless rush of air and an earthy smell.

A rush of air brought a strong earthy smell with it.

There was a fresh, earthy smell in the air.

Then a whole building is blown up and an earthy, sour smell comes from its walls.

He glanced around the chamber again, taking in the lack of windows and a certain earthy smell.

"I like the earthy smell of the plants," he said.

They'd also brought with them the earthy smell of men standing around indoors while dressed to work outdoors.

The plants had a pleasant, earthy smell which filled the room.

An earthy, fetid smell found its way to my hiding place.

A certain earthy smell in the air suggested that the chamber might be many feet underground.