1.   I had been playing for about five minutes when there was a very loud explosion very close at hand.

2.   I had gone a few paces when there was a loud crashing explosion behind me.

3.   I heard a loud explosion just to my left.

4.   Loud explosions were heard as far away as Lucerne and the canton of Uri.

5.   Suddenly there was a loud explosion.

6.   The utter silence fell like a loud explosion.

7.   There was a loud explosion in the engine-room, and almost immediately a fire broke out.

8.   There was a loud explosion, and suddenly there was glass flying everywhere.

9.   This time, I was up on the wooded area myself, and we heard a loud explosion behind us.

10.   Three of my men entered the woods, and we heard an ex-tremely loud explosion.