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Montague Island and a portion on the Northern Gulf of Alaska
Pan sharpened Landsat 7 image 2002/09/02 Montague Island and a portion on the Northern Gulf of Alaska. You can see the Copper River sediment plume move along the seaward edge of Montague Island. The rock flour plumes are visible running into Icy Bay and Nassau Fjord from the terminus of the Tiger and Chenega Glaciers. The large snow and ice covered portion of the images is the Sargent Ice Field located in the Chugach National Forest.
Size of linked image - 284 KBytes
Summary
A strong explosive eruption is underway at Okmok Volcano on Umnak Island in the eastern Aleutians. For more information about the current alert levels please visit the AVO website. All areas immediately around the volcano are considered hazardous. Airborne ash and gas continues to drift with the wind and pose a hazard to aviation in the area. Additional ash fall will occur on Umnak Island and possibly adjacent islands as long as the eruption continues.
Click Here for a full resolution view of the image (6.0 MBytes).