Something strange is happening beneath the Earth

"The earthquake struck southern Illinois about six miles north of Mount Carmel, at 4:37 a.m., violently shaking people from their beds, swaying Chicago skyscrapers and vibrating the earth as far east as Georgia.

As the morning wore on, at least two significant aftershocks rocked the Midwest." -source, more details

Then there was this last week: Mysterious Quakes Off Oregon