President Carter flies over shattered houses, flood-swept valleys, downed forest, debris avalanche; #MountStHelens' May 18, 1980, explosion equating to 10 million tons of TNT. Carter remarks: “...moon looks like a golf course compared to what’s up there.” Remembering #jimmycarter https://t.co/l0sqmRM1e3 USGS Volcanoes🌋 Earthquake Alert on Telegram by @EarthquakeAlertTelegram A @grttme project - Other backups: @Hallotme