1.   But security experts fear that in some places, the thunderous booms will come from real bombs bursting in air.

2.   But the staccato punctuation of assault rifles and machine guns, the thunderous boom of mortar shells, and the helicopters buzzing overhead are real.

3.   Large swells crested into ominous waves that crashed ashore with a thunderous boom.

4.   Sunday, the Russian artillery was barraging the rebel camps, sending thunderous booms through the mountains.

5.   The bomb set off Tuesday in Kabul, however, was triggered sooner than expected and generated a thunderous boom thoughout the valley.

6.   The rocket shot into the sky and burst with a thunderous boom over the city, signaling the end of the daytime fast.

7.   When they received the signal, they turned the switches, setting off a thunderous boom and sending clouds of smoke into the sky.

8.   Even so, when the children spoke, it was not about games and toys, but of thunderous booms, bombs, smoke and death.

9.   Thunderous booms have accompanied the spurts of lava and blue-gray ash, reaching hundreds of feet high.

10.   Thunderous booms have accompanied spurts of lava and blue-gray ash reaching hundreds of feet into the air.