Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary results

The first results of the study of Late Holocene activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands) obtained during field work in 2013–2014 are presented. On the basis of tephrochronological studies and radiocarbon dating, it was established that at least 4 large explosive (...

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Main Author: Degterev, Artem V.
Format: Article
Language:English
Published: Дальневосточного отделения Российской академии наук, Южно-Сахалинск, Федеральное государственное бюджетное учреждение науки Институт морской геологии и геофизики 2025-03-01
Series:Геосистемы переходных зон
Subjects:
Online Access:http://journal.imgg.ru/web/full/f2025-1-6.pdf
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author Degterev, Artem V.
author_facet Degterev, Artem V.
author_sort Degterev, Artem V.
collection DOAJ
description The first results of the study of Late Holocene activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands) obtained during field work in 2013–2014 are presented. On the basis of tephrochronological studies and radiocarbon dating, it was established that at least 4 large explosive (explosive-effusive) eruptions (individual major eruptions or series of eruptions close in time) were recorded in the interval 1400–800 years ago. The period of intense explosive activity of the volcano was followed by a period of quiescence beginning around 500–600 BP and continuing to the present, as evidenced by the lack of documented eruptions in historical time. The material composition of the juvenile tephra of the Atsonupuri volcano, represented mainly by cinder, corresponds to moderate- and low-potassium basalts and andesite-basalts. Based on the data obtained, it can be assumed that in case of renewed activity of the volcano not only terminal (subterminal) eruptions but also side eruptions are probable.
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issn 2541-8912
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language English
publishDate 2025-03-01
publisher Дальневосточного отделения Российской академии наук, Южно-Сахалинск, Федеральное государственное бюджетное учреждение науки Институт морской геологии и геофизики
record_format Article
series Геосистемы переходных зон
spelling doaj-art-436c8f14478c46258a90786a8a386b7d2025-08-20T03:05:53ZengДальневосточного отделения Российской академии наук, Южно-Сахалинск, Федеральное государственное бюджетное учреждение науки Институт морской геологии и геофизикиГеосистемы переходных зон2541-89122713-21612025-03-0197391https://doi.org/10.30730/gtrz.2025.9.1.073-091Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary resultsDegterev, Artem V.0https://orcid.org/0000-0001-8291-2289Institute of Marine Geology and Geophysics of the Far Eastern Branch of RAS, Yuzhno-Sakhalinsk, RussiaThe first results of the study of Late Holocene activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands) obtained during field work in 2013–2014 are presented. On the basis of tephrochronological studies and radiocarbon dating, it was established that at least 4 large explosive (explosive-effusive) eruptions (individual major eruptions or series of eruptions close in time) were recorded in the interval 1400–800 years ago. The period of intense explosive activity of the volcano was followed by a period of quiescence beginning around 500–600 BP and continuing to the present, as evidenced by the lack of documented eruptions in historical time. The material composition of the juvenile tephra of the Atsonupuri volcano, represented mainly by cinder, corresponds to moderate- and low-potassium basalts and andesite-basalts. Based on the data obtained, it can be assumed that in case of renewed activity of the volcano not only terminal (subterminal) eruptions but also side eruptions are probable.http://journal.imgg.ru/web/full/f2025-1-6.pdfiturupatsonupuri volcanotephraholoceneradiocarbon datingexplosive eruptionsvolcanic activity
spellingShingle Degterev, Artem V.
Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary results
Геосистемы переходных зон
iturup
atsonupuri volcano
tephra
holocene
radiocarbon dating
explosive eruptions
volcanic activity
title Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary results
title_full Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary results
title_fullStr Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary results
title_full_unstemmed Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary results
title_short Late Holocene explosive activity of the Atsonupuri volcano (Iturup Island, Southern Kuril Islands): preliminary results
title_sort late holocene explosive activity of the atsonupuri volcano iturup island southern kuril islands preliminary results
topic iturup
atsonupuri volcano
tephra
holocene
radiocarbon dating
explosive eruptions
volcanic activity
url http://journal.imgg.ru/web/full/f2025-1-6.pdf
work_keys_str_mv AT degterevartemv lateholoceneexplosiveactivityoftheatsonupurivolcanoiturupislandsouthernkurilislandspreliminaryresults