Rifts points have been recorded at the Pre-Rift cities of Traverse City, Alpena, Harrisville, Mikado, Tawas City, Standish, Amelith, Bay City, Saginaw, Bad Axe, Palms, Lapeer, Croswell, St.Clair, Pontiac, Farmington, Detroit, Monroe, Adrian, Jackson, Battle Creek, Kalamazoo, Cassopolis, and Niles. As well as at neighboring Toledo, Ohio and Angola, and South Bend, Indiana

Updated Locations Include Bridgetown (Mackinaw City), and New Lazlo (Ann Arbor)