Volcanic eruption
See 1990 on the mapEruption of St. Helens
5 Nov 1990 – 14 Feb 1991 · 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
- 5 Nov 1990 – 14 Feb 1991
- Kind
- Volcanic eruption
- Coordinates
- 46.20° N, 122.18° W
- Vei
- 3
- Vent
- North side of lava dome
- Dated by
- Observations: Reported
- Volcano number
- 321050
- Eruption number
- 20559
- Vei modifier
- ?
Nearby in time and place
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- Horizon Air Flight 265815 Apr 1988 · Air disaster
- murders of Hattie Mae Cohens and Brian Mock26 Sep 1992 · Murder · Killed 2
- United Express Flight 241526 Dec 1989 · Air disaster
- Earthquake — Washington-Oregon Border25 Mar 1993 · Earthquake · Magnitude 5.6
- en el estado de Oregón se registra un terremoto de 5,625 Mar 1993 · Earthquake
- death of David Glenn Lewis1 Feb 1993 · Murder · Killed 1
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