Omaha made national headlines this year after a sinkhole swallowed two vehicles earlier this year. More collapses followed. Nebraska State Geologist Matt Joeckel sat down with Nebraska Public Media’s Grant Winterer to talk about what’s going on under the streets of Omaha.
Grant Winterer: What is it about Omaha’s geology and soil that is making these collapses possible?
Matt Joeckel: Omaha is almost entirely underlain by late Ice Age, or late Pleistocene-era loess. Nebraska should be known as the “loess state” in my opinion, because it’s so widespread…