Refining the eruptive history of Ulleungdo and Changbaishan volcanoes (East Asia) over the last 86 kyrs using distal sedimentary records

Danielle Mclean,Paul G. Albert,Takehiko Suzuki,Takeshi Nakagawa,Jun-Ichi Kimura,Qing Chang,Alison Macleod,Simon Blockley,Richard A. Staff,Keitaro Yamada,Ikuko Kitaba,Tsuyoshi Haraguchi,Junko Kitagawa,Victoria C. Smith

Journal of Volcanology and Geothermal Research（2020）

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摘要

•Distal records show eruptions are more frequent and widespread.•At least 8 Changbaishan eruptions produced widespread ash over the last 86 kyrs.•Explosive eruption of Changbaishan at ca. 42.5 ka dispersed ash >1000km.•4 Ulleungdo eruptions are now precisely dated using the Lake Suigetsu chronology.•U-Ym tephra is identified in Suigetsu and dated to 40,332 – 39,816 IntCal13 yrs BP.

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关键词

Ulleungdo,Changbaishan,Glass geochemistry,Eruption history,Sedimentary archives,Lake Suigetsu

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