Eruptions of steam, ash, and tephra continued until June 1917, when the volcano resumed its quiet profile, with minor steam clouds occasionally reported. Since 1921, Lassen Peak has remained quiet.

Are you planning a Lassen Volcanic National Park itinerary? It was one of those moments when we realized, with ...

Lava from Hawaii's most active volcano created fountains that reached 700 feet Thursday during the latest episode of an ongoing eruption. The 14th episode ended Thursday afternoon after 28 hours.