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Illinois Earthquake of 5.4 Magnitude at 4:36 CT on 18 Friday 2008 – USGS IRIS Seismic Event


Summary. This document provides news and information about an earthquake of 5.4 magnitude that took place in Illinois, USA at 9:36 AM Coordinated Universal Time (4:36 AM Central Time) on 18 Friday 2008. The location of the quake was 19 miles SE of Olney, Illinois. The quake was felt in Iowa City, Iowa, and recorded at that time by Resources for Life. More information and news will appear on this page as it is available.

Earth Monitoring. Information about the location and magnitude of the quake was immediately available on the USGS website and also mapped on the IRIS website. IRIS, the Incorporated Research Institutions for Seismology, is a university research consortium dedicated to exploring the Earth’s interior through the collection and distribution of seismographic data. The Google Earth Shake Map shows the location, size, and depth of the quake. Click here for more earth monitoring agencies and organizations.

News of the Earthquake. As news of the earthquake becomes available, links to stories will be provided here.

Personal Reports. Here are some personal reports from people who felt the earthquake. If you felt the earthquake, you can report it on the USGS Website.

  • “I woke early this morning, and shortly after 4:30 AM, I felt the earthquake and heard items on the dresser making noise. My fiancée also felt the tremors. Since it felt like an earthquake, I immediately went to the USGS website to find out more information.” Gregory J. of Iowa City

By Greg Johnson

Greg Johnson is a freelance writer and tech consultant in Iowa City. He is also the founder and Director of the ResourcesForLife.com website. Learn more at AboutGregJohnson.com