Brigham Holladay on Instagram: "The Wah Wah Springs volcanic eruption that occurred 30 million years ago in Southwest Utah was one of the largest volcanic eruptions known to science, but the devastation is no longer visible to casual observation. #supervolcano #utahrocks #utahgeology #geologyrocks #utahlife #utahcheck #utahgram #utahtravelers #beaverutah #utahadventures #greatbasin #greatbasinnationalpark #volcanos #utahdesert #volcanology #utahoutdoors #outdoorexploration"