Lahars from Mount St. Helens carried this large boulder downstream ...
Detailed Description
Lahars from Mount St. Helens carried this large boulder downstream as it ripped down trees and left a thick mud flow deposit after the May 18, 1980 eruption. Muddy River, Washington.
Sources/Usage
Public Domain.
Related
Lahars – The Most Threatening Volcanic Hazard in the Cascades
Lahars, along with debris flows and debris avalanches, are masses of rock, mud and water that travel rapidly downslope and downstream under the action of gravity.
Related
Lahars – The Most Threatening Volcanic Hazard in the Cascades
Lahars, along with debris flows and debris avalanches, are masses of rock, mud and water that travel rapidly downslope and downstream under the action of gravity.