Authors:

He looked around when he heard a window-rattling roar. "Earthquake? Volcano? Nuclear war?" "Beaver," Peter told him. "I don't care if it is Alaska, you don't have beavers big enough to sound like that.

Nora Roberts (2004). “Northern Lights”, p.45, Penguin
He looked around when he heard a window-rattling roar. Earthquake? Volcano? Nuclear war? Beaver, Peter told him. I don't care if it is Alaska, you don't have beavers big enough to sound like that.