View from NE of a small phreatic eruption on Mount St. Helens befor...

View from the northeast of a small phreatic eruption on Mount St. H...

Detailed Description

On March 20, 1980, after a quiet period of 123 years, earthquake activity once again began under Mount St. Helens volcano. Seven days later, on March 27, small phreatic (steam) explosions began.

Details

Image Dimensions: 3072 x 2048

Date Taken: