Immediately following this announcement, the drum line's bass drum players all play a single count, creating a loud boom that echoes inside the stadium.

Amateur videos showed a fireball streaking across the sky and a loud boom several minutes afterwards.

A loud boom would result and the top anvil would be blown into the air and fall to the ground as the powder exploded.

The next thing she heard was a loud boom.

Its loud boom was heard by many, despite the shock causing little damage.