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
Great Lakes and St. Lawrence Governors and Premiers Resources Agreement and the Governors endorsed the companion Great Lakes Compact. This Compact was enacted into United States law in 2008 following approval by the state legislatures and the United States Congress. The organization's goals are to enhance competitiveness, grow the regional economy and create jobs. Ongoing initiatives include: The organization’s goal is to restore and protect the region’s waters. Ongoing initiatives include: Great Lakes and St. Lawrence Governors and Premiers The Conference of Great Lakes and St. Lawrence Governors and Premiers is a North American organization led by the government chief executives from the Canadian provinces Ontario and Québec