Eruption of Mt. St. Helens from Portland, Oregon
Additional Details:
| Mt. St. Helens, located approximately 50 miles northeast of Portland, Oregon, ended 6 weeks of silence with a series of 3 eruptions on July 22, 1980. Pictured here is the third eruption; the ash and steam cloud of the earlier eruptions can be seen drifting eastward. The mountain previously erupted on June 12, 1980. On May 18, 1980 it erupted and blew 1,300 feet from its top, and sent ash 63,000 feet into the air eastward across the continent. |
