“Aftershocks” felt through out Illinois
SPRINGFIELD – The Blagojevich Administration briefed the public on what to expect following a rare earthquake centered in southeastern Illinois early morning on Thursday. Officials explained that the public should be aware of smaller seismic events called “aftershocks” that may be felt through out the state for as much as a week following this 5.2 magnitude earthquake. As of 11:00 am on April 18, Illinois has experienced six aftershocks measuring as high as magnitude 4.6.