Volcanic eruption
See 150 BCE on the mapEruption of Rainier
150 BCE · 46.85° N, 121.76° W
Mount Rainier, also known as Tahoma, is a large, active stratovolcano in the Cascade Range of the Pacific Northwest in the United States. The mountain is located in Mount Rainier National Park about 59 miles (95 km) south-southeast of Seattle. At 14,406 ft (4,391 m) it is the highest mountain in the U.S.
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What the records say
- When
- 150 BCE
- Kind
- Volcanic eruption
- Coordinates
- 46.85° N, 121.76° W
- Date uncertainty
- year uncertain
- Unit
- Tephra layer SL8
- Dated by
- Correlation: Tephrochronology
- Volcano number
- 321030
- Eruption number
- 20491
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