Pyroclastic flow during August 7, 1980 Mount St. Helens eruption.

Pyroclastic flow during August 7, 1980 Mount St. Helens eruption. The view is from Johnston Ridge

Detailed Description

Pyroclastic flow during August 7, 1980 Mount St. Helens eruption. The view is from Johnston Ridge, located 8 km (5 mi) north of Mount St. Helens.

Details

Image Dimensions: 350 x 237

Location Taken: US