which consists almost entirely of 4,133-foot Augustine Volcano. The state Division of Oil and Gas will start accepting bids on April 3 for leases, the division said in its sales notice.

Augustine Volcano showing the typical cone shape, erupting ash cloud, and pyroclastic flows on the snow covered slopes (Photo by U.S. Geological Survey). Click image for a larger view. Along the ...

Mount Spurr, the highest volcano in the Alaskan Aleutian arc, last erupted in 1992, depositing ash over the city of Anchorage. Lassen Peak is the southernmost volcano in the Cascade Volcanic Arc ...