The sound of summer: rockfall inside the crater of Mount St. Helens.

The sound of summer: rockfall inside the crater of Mount St. Helen...

Detailed Description

In summer, the crater of Mount St. Helens is filled with a near constant sound of rockfall from the steep 600 m high (about 2000 feet) crater walls. The falling rock kicks up ash and dust (pulverized rock) as it tumbles onto the crater floor. View of east crater wall.

Details

Image Dimensions: 2736 x 3648

Date Taken: