What the records say
- When
- 2050 BCE
- Kind
- Volcanic eruption
- Coordinates
- 39.95° N, 139.72° E
- Date uncertainty
- year uncertain
- Dated by
- Correlation: Tephrochronology
- Volcano number
- 283262
- Eruption number
- 18073
Megata
Volcano in Tohoku, Japan
Megata is a volcanic group on the Oga Peninsula in northwestern Honshu, Japan. It consists of three basaltic-to-dacitic maars at the edge of the peninsula. These maars measuring between 300 m (980 ft) and 600 m (2,000 ft) across are filled with water, forming freshwater lakes. Ichinomegata is the widest and oldest of the three.
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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