1.   All large explosions are safely out at sea.

2.   Fortunately, there was no explosion, and by Friday afternoon the fire gradually began to subside.

3.   How powerful this explosion would be would depend on how many different species of elementary particles there are.

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

5.   There has been an explosion at a chemical plant in Germany.

6.   There has been an explosion of interest in networking websites in the last few years.

7.   There was an explosion, and the whole garage caught on fire.

8.   There were two explosions involving an oxygen cylinder, injuring both men.

9.   To be fair, the explosion now is far worse than anyone could have expected.