Home›Sources›1980 Eruption of Mount St. Helens (Wikipedia)Sources1980 Eruption of Mount St. Helens (Wikipedia)WikipediaCitation FormatsGeneral ReferenceGeneral Reference Citation TextEarth and Environment Atlas. "1980 Eruption of Mount St. Helens (Wikipedia)." Accessed August 30, 2026. https://dev-earth.interactiveatlas.org/sources/1980-mount-st-helens-eruption-wikipedia.Copy General ReferenceAPA StyleAPA Style Citation TextEarth and Environment Atlas. (n.d.). 1980 Eruption of Mount St. Helens (Wikipedia). Retrieved August 30, 2026, from https://dev-earth.interactiveatlas.org/sources/1980-mount-st-helens-eruption-wikipediaCopy APA StyleBibTeXBibTeX Citation Text@misc{earthandenvironmentatlas-1980-eruption-of-mount-st-helens-wikiped, author = {Earth and Environment Atlas}, title = {1980 Eruption of Mount St. Helens (Wikipedia)}, year = {2026}, url = {https://dev-earth.interactiveatlas.org/sources/1980-mount-st-helens-eruption-wikipedia}, note = {Accessed August 30, 2026} }Copy BibTeXReference and ClassificationDevelopingFactsSourcesClaims Backed By This Source (10 claims)Comments (0)Reader Challenges (0 open reader challenges)FactsURLWell-attestedhttps://en.wikipedia.org/wiki/1980_eruption_of_Mount_St._HelensPublisherWell-attestedWikimedia FoundationSource TypeWell-attestedEncyclopediaSources1980 Eruption of Mount St. Helens (Wikipedia)Wikimedia FoundationView the SourceClaims Backed By This Source (10 claims)This source backs 10 claims across the atlas. As facts: 7 well-attested, 1 scholarly debate. As cited relationships: 1 holds. Plus 1 entities citing it as a general reference with no single fact or relationship attached.Disposition By TopicPhenomena, 7 claims: 4 well-attested, 1 scholarly debate, 1 holds, 1 general references.Sources, 3 claims: 3 well-attested.Well-attested7Phenomena1980 Eruption of Mount St. HelensSources1980 Eruption of Mount St. Helens (Wikipedia)Scholarly debate1Phenomena1980 Eruption of Mount St. HelensHolds1Phenomena1980 Eruption of Mount St. HelensGeneral References1Phenomena1980 Eruption of Mount St. HelensComments (0)No comments yet. Be the first to share a thought.Sign in to join the discussion.Reader Challenges (0 open reader challenges)No disputes yet. Spotted an error or a better source? Open the first one.Sign in to dispute this or suggest a correction.View At A Past YearThe atlas records no dated fact of its own for this entry, so there is no other year to choose.Show This Year