A few hours later we heard the booming sound of distant explosions.

Suddenly a series of more or less distant explosions shook the icy air.

The walls around them rumbled as if from some distant explosion.

We heard what we thought was a distant explosion behind us.

After perhaps half an hour they heard the sound of three distant explosions, one after another.

A distant explosion of sound scattered her thoughts like leaves in the wind.

Both men jumped with the sound of a distant explosion.

Suddenly there was a distant explosion, and one of the pieces blew apart.

As she asked that there was a large but distant explosion to the southeast.

There was a distant explosion and part of the ceiling turned to jelly.