Discover magazine published an article about Dean Wayne Pennington’s (COE) research on the Menominee Crack, a strange geological disruption known as a pop-up.
Major geologic transformations don’t usually happen in real time without explanation — especially in seismically quiet areas like the Upper Midwest. So, when Michigan Technological University geophysicist Wayne Pennington saw reports about a crack the length of a football field suddenly appearing in some swamp and woods in the northern area of the state’s Upper Peninsula, he assumed it was a small landslide.