Great Lakes tectonic zone southern Ontario. Several earthquakes have been documented in Minnesota in the last 120 years, with at least six in the GLTZ. The epicenters show a clear relationship to tectonic features of the state; four epicenters lie along the Great Lakes tectonic zone. Depths are estimated at . The best-documented event occurred on July 9, 1975, near Morris, Minnesota, with a magnitude of 4.6, and a felt area of covering parts of four states. Wisconsin has had no earthquakes along the GLTZ, Michigan's Upper Peninsula has had four earthquakes in the vicinity of the GLTZ – Negaunee, Newberry and two in
Border Lakes Ojibwe dialect Border Lakes Ojibwe dialect Border Lakes Ojibwe is a dialect of the Ojibwe language spoken in the Lake of the Woods area of Ontario at the intersection of the borders of Ontario, Minnesota, and Manitoba. Communities in the Border Lakes dialect area have sometimes been treated as a part of the Western Ojibwe (Saulteaux) dialect, but dialect survey research conducted in the 1980s and 1990s analyses it as a separate dialect closely related to Saulteaux Ojibwe. Communities identified as Border Lakes include Lac La Croix, Emo (Rainy River First Nation), and Whitefish Bay, all in Ontario. Border Lakes Ojibwe is