Supervolcano in Utah: Massive Ancient Volcano Discovered by BYU Geologists

For 30 years, BYU geologists have searched for the volcano that produced thousands of cubic kilometers of pyroclastic flow on the Utah-Nevada border. Piecing together the geologic evidence from five different mountain ranges across hundreds of miles, they report in Geosphere the discovery of a massive 30-million-year-old supervolcano in Utah. The ancient caldera, which would have been several miles deep, is no longer visible as it has eroded and filled with pyroclastic flow many years ago. The original Wah