Redoubt Volcano, Alaska - 2009 Eruption Pictures

Runup on the south valley wall from the lahar that inundated Drift River Valley. Runup may have exceeded 30 feet here as the flow ramped up the bedrock promontory. This location is in the lower portion of the valley. Date: March 23, 2009. Photo by Cyrus Read, Alaska Volcano Observatory / U.S. Geological Survey.

View south of the tank farm at DROT. The south dike (top) was overtopped in several places; stripes); water on the service road entered the containment area around the end of the dike (not visible in this photo). Date: March 23, 2009. Photo by Cyrus Read, Alaska Volcano Observatory / U.S. Geological Survey.

View down the Drift River Valley and the lahar and flood deposits that extended wall to wall across the valley. Date: March 23, 2009. Photo by Cyrus Read, Alaska Volcano Observatory / U.S. Geological Survey.

Erosion of the piedmont lobe of Drift Glacier as flood waters course down through the glacier. Date: March 23, 2009. Photo by Cyrus Read, Alaska Volcano Observatory / U.S. Geological Survey.

View west of the runway, helipad, and service buildings at DROT. The lahar deposit is at least half a meter thick at the buildings. Date: March 23, 2009. Photo by Cyrus Read, Alaska Volcano Observatory / U.S. Geological Survey.

View north up the runway. Lahar deposit covers runway and helipad to a depth at least half a meter. Date: March 23, 2009. Photo by Game McGimsey, Alaska Volcano Observatory / U.S. Geological Survey.

SEM image of ash particle from the 3/23/2009 ash fall in Healy, AK. Date: March 24, 2009. Photo by Pavel Izbekov and Jill Shipman, Alaska Volcano Observatory / University of Alaska Fairbanks, Geophysical Institute.