Photos capture Mount St. Helens eruption, the worst U.S. volcanic disaster, 45 years ago.
On May 18, 1980, Don Swanson placed a frenzied call to his wife to let her know that he was OK.\”That\’s nice,\” she said, unconcerned. She had no idea her geologist husband had spent the morning in a plane flying by an erupting volcano.At 8:32 a.m. Pa