ST LOUIS (LALATE) – An Illinois earthquake today 2013 has just struck west of Chicago. An Indian Head Park, Illinois earthquake today November 4, 2013 began within the hour. Damage assessment is pending.
Officials tell news that a 3.7 magnitude Illinois earthquake today 2013 began just after 12:35 PM local time today. The quake had virtually no depth. USGS indicates to news that the quake started less than one mile below ground level. As a result the quake could be felt across the region.
Mapping reveals that the quake was east of Naperville, north of Lockport, west of Chicago, and east of Aurora. USGS indicates to news that the quake was in Indian Head Park. It was one mile north of Burr Ridge and two miles south of La Grange. The quake also began two miles south of Western Springs, Illinois and roughly one hundred miles south of Madison, Wisconsin.
So which fault was today’s quake centered on? USGS indicates to news that “few earthquakes east of the Rockies can be linked to named faults. It is difficult to determine if a known fault is still active and could slip and cause an earthquake. In most areas east of the Rockies, the best guide to earthquake hazards is the earthquakes themselves.” UPDATE: USGS has now revised their listing for the event from “earthquake” to “quarry blast”. Local news is now confirming the same.