Eruption History of Mount Adams

Eruptions from Mount Adams began about 520 ka, although scattered basaltic eruptions from the surrounding volcanic field began by about 940 ka.

Washington State Department of Natural Resources - Mount Adams is known for its lava flows. These streams of molten rock created a volcanic field covering much of southern Washington. Learn more in

40 years ago today, Mount St. Helens erupted

WA100: A Washington Geotourism Website

Inside Mount Saint Helens, Scientists Find Clues to Eruption Prediction

WA100: A Washington Geotourism Website

Eruption of Mt. St Helens, as seen by hikers on nearby Mt. Adams : r/pics

USGS Volcanoes

Mount Adams - Hiking in Portland, Oregon and Washington