Category:1980 eruption of Mount St. Helens Wikimedia
Computer animation showing May 18, 1980 St Helens 788 × 812; 217 KB. Dacitic volcanic ash (18 May 1980 eruption of Mt. St. Helens, Cascade Range, Washington State, USA; collected at Yakima, Washington, USA).jpg 3,072 × 2,016; .