Evolution of caldera-forming activity in a mafic volcano: insights from two calderas (Hatchodaira and Kuwanokidaira) at Miyakejima volcano, Japan

Ora Nonaka

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-VC Volcanology

[S-VC36] Volcanic and igneous activities, and these long-term forecasting

Sun. May 24, 2026 3:30 PM - 5:00 PM Convention Hall (CH-A) (International Conference Hall, Makuhari Messe)

Chairperson:Hasegawa Takeshi(Department of Earth Sciences, College of Science, Ibaraki University), Kiyosugi Koji(Department of Planetology, Graduate School of Science, Kobe University)

4:00 PM - 4:15 PM

[SVC36-03] Evolution of caldera-forming activity in a mafic volcano: insights from two calderas (Hatchodaira and Kuwanokidaira) at Miyakejima volcano, Japan

*Ora Nonaka¹, Takeshi Hasegawa^1,2, Haruto Kitano², Miu Sekiya², Haru Samoto² (1. Graduate School of Science and Engineering, Ibaraki University, 2. Depearment of Earth Sciences, College of Science, Ibaraki University)

Keywords:Miyakejima Volcano, Caldera-forming eruption, Eruption history, Mafic volcano