Volcanic eruption
See 1980 on the mapEruption of St. Helens
27 Mar 1980 – 28 Oct 1986 · 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
- 27 Mar 1980 – 28 Oct 1986
- Kind
- Volcanic eruption
- Coordinates
- 46.20° N, 122.18° W
- Vei
- 5
- Vent
- Summit and north flank
- Dated by
- Observations: Reported
- Volcano number
- 321050
- Eruption number
- 20557
Includes 1 event
Nearby in time and place
- Eruption of Hood25 Dec 1980 · Volcanic eruption
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- 1984 Autzen Stadium shooting12 Nov 1984 · Shooting · Killed 2
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- Spanaway Junior High School shooting26 Nov 1985 · Shooting · Killed 3
- 1977 Klamath Falls nightclub shooting1977 · Shooting · Killed 7
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