Erosion of the 2008 tephra deposits in Okmok (AK) caldera by river ...

Erosion of the 2008 tephra deposits in Okmok (Alaska) caldera by ri...

Detailed Description

Eruptions, and subsequent erosional processes, can deliver vast quantities of sand- and gravel-sized particles to rivers and oceans near volcanoes as the impacted landscape re-equilibrates and stabilizes. Increased sediment transport after an eruption often causes flooding problems in valleys and towns downstream that can persist for decades.

Details

Image Dimensions: 800 x 600

Date Taken: