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Eruption plumes extended more than 30 km in altitude in both phases of the Millennium eruption of Paektu (Changbaishan) volcano

Earth Sciences

Eruption plumes extended more than 30 km in altitude in both phases of the Millennium eruption of Paektu (Changbaishan) volcano

A. Costa, L. Mingari, et al.

The study conducted by Antonio Costa, Leonardo Mingari, Victoria C. Smith, Giovanni Macedonio, Danielle McLean, Arnau Folch, Jeonghyun Lee, and Sung-Hyo Yun reveals fascinating insights into the Millennium Eruption of Paektu volcano. This research employs an innovative ensemble-based method to unravel the complex dynamics of the eruption, which produced vast tephra deposits and towering plumes, and quantified magmatic volumes that will intrigue the scientific community and beyond.

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Playback language: English
Abstract
The Millennium Eruption of Paektu volcano generated tephra deposits extending >1000 km from the vent. Using an ensemble-based method with a dual-step inversion and the FALL3D model, the study constrained the eruption's two phases fueled by distinct magmas. The volumes of the comendite and trachyte phases were calculated (best estimates of 7.2 km³ and 9.3 km³, respectively), along with eruption rates up to 4 × 10⁸ kg/s, generating plumes reaching 30–40 km into the stratosphere.
Publisher
Communications Earth & Environment
Published On
Jan 02, 2024
Authors
Antonio Costa, Leonardo Mingari, Victoria C. Smith, Giovanni Macedonio, Danielle McLean, Arnau Folch, Jeonghyun Lee, Sung-Hyo Yun
Tags
Paektu volcano
eruption phases
tephra deposits
magmas
eruption rates
stratospheric plumes

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