What the records say
- When
- 1950 BCE
- Kind
- Volcanic eruption
- Coordinates
- 39.02° N, 27.97° W
- Date uncertainty
- ± 1400 years
- Vent
- San Tamao
- Dated by
- Isotopic: Ar/Ar
- Volcano number
- 382040
- Eruption number
- 20967
Graciosa
Island of the Azores, Portugal
Graciosa Island, also referred to as the White Island, is a volcanic island in the Atlantic Ocean. It is the northernmost of the Central Group of islands in the Azores archipelago. The ovular Portuguese island has an area of 60.65 square kilometres, a length of 10 kilometres and a width of 7 kilometres. Its landscape is dominated by a 1.6-kilometre-wide (1.0-mile) central caldera located in the southeast.
From Wikipedia, CC BY-SA · Read the article
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