Scientists Investigate Strange Rumbling Beneath Utah

Scientists Investigate Strange Rumbling Beneath Utah

A mysterious earthquake deep below northern Utah had scientists scratching their heads back in 1979. The rumble seemingly occurred far lower beneath the Earth’s crust than scientists had believed was possible. The tremor may not have been particularly strong, at a magnitude of 3.8, but the recorded seismic data threw experts for a loop nonetheless. The data suggested the rumbling had occurred over 55 miles below sea level, a depth that made no s…