A 3.4 earthquake struck near Somonauk in DeKalb County, Illinois Monday, the U.S. Geological Survey said.SOMONAUK, Ill. (WLS) -- A 3.4 earthquake struck part of DeKalb County Monday morning , the U.S. Geological Survey said.The earthquake struck at about 2:53 a.m. and was centered two kilometers northwest of Somonauk, the USGS said. ABC7 Chicago is now streaming 24/7. Click here to watchThe earthquake had a depth of 9.8 kilometers, the USGS said.Further details were not immediately available. Report a correction or typo