 Tremors from the earthquake were also felt in eastern Canada , mostly in Southern Ontario , as well as in parts of southern Quebec and the Maritime provinces . In Ontario , a few buildings in Toronto were evacuated , and roads were closed as a precautionary measure in case of building collapse in Sudbury and Windsor . The year 2011 is the second consecutive year in which an earthquake was widely felt in Southern Ontario and Quebec , the previous being the June 2010 Central Canada earthquake that also affected that region . 
