Toronto is located on the shores of Lake Ontario , the site of much microseismicity . Historic records indicate that energetic earthquakes occur infrequently in the region , as with many other cities in the world , though Toronto was struck by a 5.0 magnitude earthquake on June 23 , 2010 , and a 5.1 magnitude earthquake on May 17 , 2013
5.0 magnitude earthquake on June 23 , 2010
2010 Central Canada earthquake
Urban seismic risk