Volcanic eruption
See 400 BCE on the mapEruption of Adams
400 BCE · 46.21° N, 121.49° W
Mount Adams is a stratovolcano located in the Cascade Range of Washington, United States.
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What the records say
- When
- 400 BCE
- Kind
- Volcanic eruption
- Coordinates
- 46.21° N, 121.49° W
- Vei
- 2
- Date uncertainty
- year uncertain
- Unit
- Tephra layer 21
- Dated by
- Correlation: Tephrochronology
- Volcano number
- 321040
- Eruption number
- 20514
Mount Adams (Washington)
Southern Washington stratovolcano
Mount Adams is a stratovolcano located in the Cascade Range of Washington, United States. Standing at 12,276 ft (3,742 m) feet, it is the second-highest mountain in Washington and a prominent feature within the Cascade Volcanic Arc, which formed as a result of the subduction of the Juan de Fuca Plate beneath the North American Plate.
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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