MountAdams, about 70 miles north of Portland, is one of the sleepiest active volcanoes in the Cascade Range. A small earthquake every few years is typical. But it’s shaken up expectations ...
MountAdams rises above Trout Lake on Nov. 24, 2023, in Klickitat County. MountAdams experienced the most earthquakes — six small magnitude — in one month during September since monitoring at ...