Ottawa is the capital of Canada. The city is located on the south bank of the Ottawa River in the eastern portion of Southern Ontario. The 2006 census had the city's population as 812,129. The name "Ottawa" is derived from the Algonquin word adawe, meaning "to trade". Located on a major, yet mostly dormant fault line, Ottawa is occasionally struck by earthquakes. Examples include a magnitude 5.2 earthquake on January 1, 2000. Ottawa has a humid continental climate with four distinct seasons. The average July maximum temperature is 26 °C. The average January temperature is −10.8 °C. Summers are warm and humid in Ottawa. Daytime temperatures of 30 °C.