Mount Hood, seen here from Larch Mountain on the NW side, is a recently active volcano in Oregon. A major eruptive period occurred in the late 1700s, and 19th-century Pacific Northwest tribes and settlers observed minor eruptions.

Photo by Lee Siebert, 1980 (Smithsonian Institution).

This image is made available under the Public Domain Dedication CC0 license, but proper attribution is appreciated.

Keywords: stratovolcano

Hood