What the records say
- When
- 2990 BCE
- Kind
- Volcanic eruption
- Coordinates
- 37.50° N, 130.87° E
- Date uncertainty
- ± 40 years
- Unit
- U-2 tephra
- Dated by
- Isotopic: 14C (uncalibrated)
- Volcano number
- 306030
- Eruption number
- 19656
Ulleungdo
South Korean island in the Sea of Japan
Ulleungdo, also spelled Ulreungdo, is a South Korean island 120 kilometres east of the Korean Peninsula in the Sea of Japan. It was formerly known as Dagelet Island or Argonaut Island in Europe. Volcanic in origin, the rocky steep-sided island is the top of a large stratovolcano which rises from the seafloor, reaching a maximum elevation of 984 metres (3,228 ft) at Seonginbong Peak.
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