Post by: Jessie Reyez on May 09, 2018, 04:08:00 PM
Eastern Canada is not near any major tectonic plates, but it is not unheard of for it to experience smaller earthquakes.
Source: Small earthquake near Ajax felt in Whitby and Oshawa (https://www.thestar.com/news/gta/2018/05/09/small-earthquake-near-ajax-felt-in-whitby-oshawa-too.html)