Mt. St. Helens Eruption from Portland, Oregon
Additional Details:
| Ash and steam billows from MT. ST. HELENS just 45 miles from downtown Portland, during volcanic eruption. Ash has reached higher than 60,000 ft. on two occasions, May 18, 1980 and July 22, 1980. Portland's Fremont Bridge rises above the city in the foreground. |
