Earthquakes are rumbling under Alaska volcano, officials say

Alaska officials are preparing to hold a lease sale for geothermal exploration rights at Augustine Volcano, a 4,133-foot peak that forms its own cone-shaped island in the southern part of Cook ...
Mount Redoubt, also in Alaska's Aleutian island chain ... Mount Spurr, the highest volcano in the Alaskan Aleutian arc, last erupted in 1992, depositing ash over the city of Anchorage.