PROGRAMME AND ABSTRACTS THE VOLCANOLOGICAL SOCIETY OF JAPAN

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2021

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[title in Japanese]

Pages i-x
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_i_x

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DAS observations of earthquakes and airgun signals around Kikai caldera

M. Nakano, H. Sugioka, E. Araki, T. Nakajima, A. Ito, H. Matsumoto, T. ...

Session ID: A1-01
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_1

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Seismic Observation at Sakurajima Volcano using a Phase-Shifted Optical Interferometry System

Nakamichi, H., Hirayama, Y., Ikeda, T., Takeuchi, K., Ando, H.

Session ID: A1-02
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_2

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Source Location and Mechanism Estimated from Seismic Amplitudes: Application to Long-Period Events at Kusatsu-Shirane Volcano, Japan

Masayuki Nakano, Hiroyuki Kumagai

Session ID: A1-03
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_3

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Magma supply rate into Kita-Ioto Caldera inferred from recurrent trapdoor faulting causing Ｍ_w 5 earthquakes

Osamu Sandanbata, Tatsuhiko Saito

Session ID: A1-04
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_4

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Classification of volcanic earthquake using machine learning at Sakurajima

Koya Nagae, Haruhisa Nakamichi

Session ID: A1-05
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_5

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Drain-back process in magma chamber at un-erupted volcano; an example of Izu-Oshima

Yuichi MORITA

Session ID: A1-06
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_6

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Estimation of volcano deformation source parameters by particle-filter based time-dependent inversion

Hiroshi Munekane

Session ID: A1-07
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_7

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Posteruptive deflation after the 2015 phreatic eruption of Hakone volcano

Ryosuke Doke, Kazutaka Mannen, Kazuhiro Itadera

Session ID: A1-08
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_8

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Repetition of Instantaneous Deflation and Slow Inflation of Usu Volcano Revealed by Geodetic Data

Makoto MURAKAMI

Session ID: A1-09
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_9

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Revealing viscoelastic effect of the magmatic system beneath Usu volcano using GEONET F3 solution

Yuki Nakashima, Makoto Murakami

Session ID: A1-10
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_10

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Intermittent uplift on Azuma volcano detected by PALSAR-2 and Sentinel-1 data

Yuji Himematsu, Taku Ozawa

Session ID: A1-11
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_11

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Effects of fault dislocation of the 2016 Kumamoto Earthquake on the magma chamber of Aso volcano

Takafumi Sugawara, Takahiro Ohkura, Shohei Narita

Session ID: A1-12
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_12

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Infrasound excited by Fukutoku-oka-no-ba eruption on August 13, 2021

Takayuki Otsu, Makiko Iwakuni, Masashi Motohashi, Nobuo Arai

Session ID: A2-01
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_13

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Pumice raft dispersion of Fukutoku-oka-no-ba 2021 eruption

Fumihiko IIKEGAMI

Session ID: A2-02
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_14

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Continuous image transmission from sea surface by using the Wave Glider

S. Tanaka, H. Sugioka, Yozo Hamano, M. Ichihara

Session ID: A2-03
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_15

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Eruptive activity of Suwanosejima volcano evaluated by infrasound signals

Masato Iguchi, Taishi Yamada

Session ID: A2-04
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_16

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e-uplift of Jigokudani, Tateyama volcano, revealed from leveling survey ―September 2020–September 2021―

Kohei Hotta, Hidenori Takahashi, Yuya Honda, Takumi Kenmochi

Session ID: A2-05
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_17

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Volcanic deformation at Domuyo and Laguna del Maule volcanoes, Southern Andes derived from InSAR time-series analysis

M. Colavita, S. Miura, Y. Morishita

Session ID: A2-06
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_18

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Secular and spatial variations of helium isotope ratios in Izu Oshima

Hirochika Sumino, Tomoya Obase, Kotaro Toyama, Kenji Notsu, Kei Ikehat ...

Session ID: A2-07
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_19

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Real-time helium-monitoring project at the Hakone Volcano

Hidneori KUMAGAI, Kazutaka Mannen, Ieyoshi Shimizu

Session ID: A2-08
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_20

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Temporal variations of helium and carbon isotopic compositions of fumarolic gases at Hakone volcano

Tomoya Obase, Hirochika Sumino, Kotaro Toyama, Takeshi Ohba, Muga Yagu ...

Session ID: A2-09
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_21

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Evaluation of volcanic activity using by sulfur dioxide concentration observed by the atmospheric environment monitoring stations

A. Takagi, T. Mori, A. Hashimoto

Session ID: A2-10
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_22

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Distribution of subsurface resistivity before and after the Aso 2014 magmatic eruption

Sakura Ishibashi, Mitsuru Utsugi, Takuto Minami, Hiroyuki Inoue

Session ID: A2-11
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_23

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Research for prediction of changes in volcanic activity by using state transition diagrams

Hideki UEDA, Takashi HIROSE, Takanori MATSUZAWA, Takahiro MIWA, Masash ...

Session ID: A2-12
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_24

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Erupted tephra mass estimates by infrasound observations and link to the maximum eruption plume height

Taishi YAMADA, Masato IGUCHI, Takeshi TAMEGURI

Session ID: A3-01
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_25

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The August 2021 eruption of Fukutoku-Okanoba volcano inferred from Infrasound data recorded at Chichijima-island, 330 km away

Mie Ichihara, Kiwamu Nishida, Takayuki Kaneko

Session ID: A3-02
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_26

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Short period flow oscillation in the geyser eruption: insights from thermal infrared observation and acoustic measurement

Noriko TESHIMA, Takeshi NISHIMURA

Session ID: A3-03
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_27

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Volcanic glow fluctuation prior to vulcanian explosions at Showa Crater, Sakurajima volcano

Dan Muramatsu, Koki Aizawa, Akihiko Yokoo, Takeshi Tameguri, Masato Ig ...

Session ID: A3-04
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_28

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Electric self-potential change before and during the 2018 phreatic eruption of Iwo-Yama Volcano, Kirishima Volcanic Complex

Koki Aizawa, Dan Muramatsu, Takeshi Matsushima, Takao Koyama, Makoto U ...

Session ID: A3-05
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_29

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A hydrothermal model of Aso volcano inferred by resistivity structure

Takuto Minami, Marceau Gresse, Chisato Anai, Mitsuru Utsugi

Session ID: A3-06
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_30

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Unified understanding on CSD and cooling rate dependence in crystallization of magmas

Atsushi Toramaru, Tsuyoshi Kichise

Session ID: A3-07
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_31

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A Theoretical Study of Deformation and Coalescence of Ascending Bubbles

Takafumi Maruishi, Atsushi Toramaru

Session ID: A3-08
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_32

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Examination of relevance with lifting of the mountaintop and formation of the avalanche valley when the sector collapses occurred. - Based on the case of Mt. Bandai in 1888 -

Shuniichi SATO, Tosihiko SUGAI

Session ID: A3-09
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_33

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Generation mechanism of Kambara pyroclastic density current and debris avalanche during the 1783 Tenmei eruption of the Asama Volcano, Japan

Taiga Seito, Kae Tsunematsu, Yosuke Aoki

Session ID: A3-10
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_34

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Development of eruptive column model in JMA tephra dispersal prediction

Kensuke ISHII, Akira NISHIJO, Takehiro KOYAGUCHI

Session ID: A3-11
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_35

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Towards Estimation of Eruption Source Function: Maximum Heights of Pyroclasts

Yujiro J. Suzuki

Session ID: A3-12
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_36

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Estimation of temperature drop by decompression-induced vesiculation in rhyolitic melt

M. Nishiwaki, K. Fukuya, M. Matsumoto, A. Toramaru

Session ID: A3-13
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_37

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3D-density imaging of Izu-Omuroyama scoria cone by a pilot multi-directional muography

Seigo Miyamoto, Shogo Nagahara, Kunihiro Morishima, Toshiyuki Nakano, ...

Session ID: A3-14
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_38

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Reexamination of structure and formation process of Omuroyama scoria cone, Izu Tobu Volcano Group, Japan, based on high-resolution LiDAR-based DEM and 3D-density imaging by muography

Masato Koyama, Yusuke Suzuki, Seigo Miyamoto, Shogo Nagahara, Kunihiro ...

Session ID: A3-15
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_39

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Interpretation of the clay-bearing rock resistivity from the viewpoint of well data

Tomohiro Inoue, Takeshi Hashimoto

Session ID: A3-16
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_40

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Estimating a source for magnetic field changes at Tarumae volcano using MCMC method

K. Shibuya, T. Hashimoto

Session ID: A3-17
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_41

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Hydrothermal activities associated with the 2018 eruption of Iou-yama volcano (Ebino)

Nobuo Matsushima, Kaori Seki, Mitsuru Utsugi, Tadashi Yamasaki, Masaak ...

Session ID: A3-18
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_42

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3-D resistivity models beneath Aso caldera by new and old Network-MT dipole data arranged into reticular shapes (2)

Maki HATA, Makoto UYESHIMA, Mitsuru UTSUGI, Nobuo MATSUSHIMA, Yoshikaz ...

Session ID: A3-19
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_43

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Past researches and future tasks of Kirishima Volcano Group: Prospects for multi-volcanism

Y. Tajima

Session ID: B1-01
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_45

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Preliminary report for occurrence and ¹⁴C age of the orange tephra around Washibaike Volcano

Ishizaki, Y., Numata, W., Endo, K., Masubuchi, Y.

Session ID: B1-02
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_46

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Characteristics of physical and mechanical properties of pyroclastic fall deposits on tephra layer landslide by 2018 Hokkaido Eastern Iburi Earthquake

Goto, S., Okada, K., Hiyoshi, Y.

Session ID: B1-03
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_47

CONFERENCE PROCEEDINGS FREE ACCESS

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Explosive eruption sequence after the 2.5 ka Kisakata Debris Avalanche at Chokai volcano

Masahiro Endo, Tsukasa Ohba, Nobuhiro Koizumi, Masao Ban, Takumi Imura ...

Session ID: B1-04
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_48

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Discovery of a pre-caldera-stage pyroclastic flow deposit from the Toya caldera area, Hokkaido, Japan: Tatsuka pyroclastic flow deposit

Yoshihiko Goto, Takumi Sonnyu, Tohru Danhara, Akihiko Tomiya

Session ID: B1-05
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_49

CONFERENCE PROCEEDINGS FREE ACCESS

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Evaluation of Post-caldera Activity of Nigorikawa Volcano, SW Hokkaido

Yasuaki Kaneda, Takeshi Hasegawa

Session ID: B1-06
Published: 2021
Released on J-STAGE: February 21, 2022

DOIhttps://doi.org/10.18940/vsj.2021.0_50

CONFERENCE PROCEEDINGS FREE ACCESS

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