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
The Great Lakes Suites meditation on the "restrained, yet explosive" formation of North America's five Great Lakes isn't as grand in scope as 2013's "Occupy the World" (with a 22-piece orchestra) or 2012's four-disc, 19-part Civil Rights miniseries "Ten Freedom Summers" — but the 90-minute bustle of his stripped-down all-star quartet still stands as 2014's jazz epic." Disc 1 Disk 2 The Great Lakes Suites The Great Lakes Suites is a two-disc studio album by American jazz trumpeter Wadada Leo Smith. The album was released on September 16, 2014 via Finnish TUM Records label. The album includes six original jazz compositions written by Smith,