Tag Archives: Hebgen Dam

            Kaboom!             The sound was deafening. It rattled the windows and shook the walls. It seemed to suck the air right out of the room as it moved off.             Instinctively. I dashed for the door. My boss chuckled.             “That was a sonic boom.”             The date was August 18, 1959, my 15thContinue reading “Yellowstone Quake”