Volcanic eruption
See 1857 on the mapEruption of St. Helens
Apr 1857 · 46.20° N, 122.18° W
Mount St. Helens is an active stratovolcano located in Skamania County, Washington, in the Pacific Northwest region of the United States. It lies 52 miles (83 km) northeast of Portland, Oregon, and 98 miles (158 km) south of Seattle.
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What the records say
- When
- Apr 1857
- Kind
- Volcanic eruption
- Coordinates
- 46.20° N, 122.18° W
- Vei
- 2
- Dated by
- Observations: Reported
- Volcano number
- 321050
- Eruption number
- 20554
Nearby in time and place
The source
- Smithsonian GVP Volcanoes of the World: Holocene eruptionsGlobal Volcanism Program, Smithsonian InstitutionSmithsonian terms of use: personal, educational and non-commercial use, with creditGlobal Volcanism Program, Smithsonian Institution: Volcanoes of the World v5.3, https://doi.org/10.5479/si.GVP.VOTW5-2025.5.3Source page