| Comments | Val-des-Bois and Gracefield QC, June 23, 2010. At 13:41 EDT, a magnitude 5.0 earthquake occurred near Val-des-Bois. The effects of the earthquake were mostly felt in Ontario and Quebec, although some tremors were felt in the United States as far as Kentucky. The earthquake caused the strongest shaking experienced in Ottawa for over 200 years. The depth of the earthquake was 22 kilometres and it lasted about 20 to 30 seconds. The earthquake caused significant damages to roads in Quebec, including a collapsed bridge on highway 307 near Bowman and the closure of a bridge on highway 105 in Gracefield. There were also two landslides in Quebec caused by the earthquake as well as damages to commercial and residential property. Approximately 300 households near the epicentre lost power for about an hour. A state of emergency was called in Gracefield, but was lifted on June 26. |