A University of Iowa-led study has found that a series of Southern California earthquakes in 2019 increased stress on the Garlock Fault, a major earthquake fault line that has been dormant for at least a century.

Robert Wolf, a self-taught geologist, has devoted the last 55 years to scouring for fossils across the Midwest. He accumulated 18,000 specimens, which he recently donated to the University of Iowa after years of collecting and cataloging them in a garage.

Fort Dodge native Robert Wolf recently donated the collection of fossils he’s accumulated over his lifetime, which includes pieces primarily from the Midwest.