Elias stared at the frequency analysis window. The dominant frequency of the "simulated" quake was shifting. It was climbing, hunting, like a predator seeking a specific pitch. It settled on 0.5 Hz.
Correcting velocity and displacement shifts using polynomial fitting.
The walls of the dorm room seemed to groan. Elias pulled off his headphones, his heart hammering. He looked around. The room was still. The water in the glass on his desk was dead calm. But in his ears, the sound was deafening now—a grinding of tectonic plates.