JpGU Meeting 2025
Session Outline| Solid Earth Sciences (S) | ||||
|---|---|---|---|---|
| Session Sub-category | Volcanology (VC) | |||
| Session ID | S-VC32 | |||
| Session Title | Active Volcanism | |||
| Short Title | Active Volcanism | |||
| Date & Time | Oral Session |
PM1-PM2 Mon, 26 MAY & AM1-AM2 Tue, 27 MAY | ||
| On-site Poster Coretime |
PM3 Mon. 26 MAY | |||
| Main Convener | Name | Yuta Maeda | ||
| Affiliation | Nagoya University | |||
| Co-Convener 1 | Name | Takahiro Miwa | ||
| Affiliation | National research institute for earth science and disaster prevention | |||
| Co-Convener 2 | Name | Takeshi Matsushima | ||
| Affiliation | Institute of Seismology and Volcanology, Faculty of Science, Kyushu University | |||
| Session Language | J | |||
| Scope (Session Description) |
This session discusses various aspects of active volcanisms including, but not limited to, recent and historical eruptions, various phenomena associated with the volcanic activities, underground structures of the volcanoes, and developments of new instruments based on geophysical, geochemical, geological, and multidiscipline approaches. We also welcome studies on understanding and predicting the transitions of the eruptive activities from observational, theoretical, and experimental approaches. |
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| Session Format | Orals and Posters session | |||
| Co-sponsorship | Partner Union(s) | - | ||
| JpGU Society Member(s) | The Volcanological Society of Japan | |||
| International Collaborative Society | - | |||
| Organizations Other Than JpGU Society Members | - | |||
| Time | Presentation No | Title | Presenter |
|---|---|---|---|
| Oral Presentation May 26 PM1 | |||
| 13:45 - 14:00 | SVC32-01 | Characteristics of Earthquake Swarm Activity in the Aira Caldera | Takeshi Tameguri |
| 14:00 - 14:15 | SVC32-02 | Modeling of ground deformation associated with the 2015 magma intrusion event of Sakurajima volcano, Japan | Takumi Kemmochi |
| 14:15 - 14:30 | SVC32-03 | Observation of Ground Deformation in Aira Caldera Using A Seabed Benchmark System (II) | Daisuke Miki |
| 14:30 - 14:45 | SVC32-04 | Studying Active Volcanism with Joint Muon and Ground Surface Deformation Monitoring at Sakurajima Volcano | Laszlo Olah |
| 14:45 - 15:00 | SVC32-05 | Airborne measurements of volcanic gases using a UAV to elucidate equilibrium temperature at Sakurajima volcano | Ryunosuke Kazahaya |
| 15:00 - 15:15 | SVC32-06 | Structural state of plagioclase in volcanic ash collected in response to the eruption of Sakurajima Volcano | Tomoaki Matsui |
| Oral Presentation May 26 PM2 | |||
| 15:30 - 15:45 | SVC32-07 | Discharge rate, component and chemical composition of ash-fall deposits during the 2019–2020 magmatic activity at Nakadake first crater, Aso Volcano, Japan | Yasuo Miyabuchi |
| 15:45 - 16:00 | SVC32-08 | Relation between volcanic ash emissions and volcanic tremor amplitude from the first crater of Nakadake, Aso Volcano. | Takahiro Ohkura |
| 16:00 - 16:15 | SVC32-09 | Seismic tremor associated with SO2 gas emissions after the 2020 eruption at Taal volcano, Philippines | Hiroyuki Kumagai |
| Oral Presentation May 27 AM1 | |||
| 9:00 - 9:15 | SVC32-10 | Characteristics of seismicity in and around active volcanoes in Japan | Takeshi Nishimura |
| 9:15 - 9:30 | SVC32-11 | Seismicity of Mt. Ontake in 2024–2025 | Yuta Maeda |
| 9:30 - 9:45 | SVC32-12 | Extraction of Multimodal Surface Wave Dispersion Curves in Volcanic Area: Case Study on Mt. Ontake, Central Japan | Misaki Asai |
| 9:45 - 10:00 | SVC32-13 | Spatiotemporal variations of hydrothermal cracks at volcanic long-period seismic sources | Masayuki Nakano |
| 10:00 - 10:15 | SVC32-14 | Reanalysis of tilt changes associating with the 1986 Izu Oshima flank fissure eruption: Verification of the dike intrusion process based on tilt data | Saeri Narita |
| 10:15 - 10:30 | SVC32-15 | Physical process of the onset event of volume increase in magma reservoir leading to the 2011eruption of Shinmoe-dake in Kirishima Volcano, Japan | Jun Oikawa |
| Oral Presentation May 27 AM2 | |||
| 10:45 - 11:00 | SVC32-16 | Hydrothermal activity around the Ioyama after the 2018 eruption in Kirishima Volcano | Yasuhisa Tajima |
| 11:00 - 11:15 | SVC32-17 | Tracing the Magma Plumbing System of Kirishima Volcano through Helium Isotopes in Phenocrysts of the Volcanic Ejecta | Rai Yoneda |
| 11:15 - 11:30 | SVC32-18 | Development of UAV-mounted vertical sensor array system to estimate emission flux of hydrogen sulfide from fumarolic fields | Yutaka Miyagi |
| 11:30 - 11:45 | SVC32-19 | Volcanic activity assessment using temporal and spatial variations of helium isotope ratios around Ebinokogen Iwo-yama, Kirishima volcanic group, Japan | Nanae Fukushima |
| 11:45 - 12:00 | SVC32-20 | Assessment of subsurface structure based on measurements of soil gas fluxes from the surface | Kazuki Sasa |
| Presentation No | Title | Presenter |
|---|---|---|
| Poster Presentation May 26 PM3 | ||
| SVC32-P01 | Re-investigation of the Latest Eruption deposits from Asahidake volcano, Taisetsu Volcano Group, Hokkaido, Japan | Yuki Nishino |
| SVC32-P02 | Volcanic gas measurement by using drone and Multi-GAS at Mt. Tokachi, Hokkaido in 2023 and 2024 | Atsuya Onishi |
| SVC32-P03 | Hypocenter Determinations for Three-Dimensional Seismic Velocity Structure in Usu Volcano Using JMA Picking Data | Shin'ya Onizawa |
| SVC32-P04 | Geodetic Observation around Mt. Usu by Leveling Survey | Yuto Hirado |
| SVC32-P05 | Crustal Deformation of Mt. Usu Derived from Two Periods of Airborne Laser Survey Data | Takahiro Kurimoto |
| SVC32-P06 | Long-period events at Mt. Iwate and their role in volcanic activity | Mare Yamamoto |
| SVC32-P07 | Crustal deformation associated with the unrest of Iwate Volcano in 2024 detected by InSAR analysis with ALOS-2/4 data | Misa Ichimura |
| SVC32-P08 | Source estimation of the 2024 Iwate Volcano unrest based on dense GNSS observation networks and strainmeter observations | Yusaku Ohta |
| SVC32-P09 | Increase in the seismicty of deep low-frequency earthquakes at the Mt. Iwate coincident with volcanic activity change in 2024. | Genki Oikawa |
| SVC32-P10 | Detection of deep expansion source of Mt. Zao by removing postseismic deformation | Kazuhiro Kimura |
| SVC32-P11 | Investigation of the relationship between the oscillation characteristics of harmonic tremors and fluid flow | Yuto Hirayama |
| SVC32-P12 | Temporal variation of volcanic Long-Period events during the 2018 unrest at Kusatsu-shirane | Azusa Mori |
| SVC32-P13 | Estimation of density and magnetization structure of Kusatsu-Shirane Volcano using joint inversion | Hiroki Nagaike |
| SVC32-P14 | Studies on the generation process of T-type earthquakes at Asama volcano in Japan in 2023 | Yukihiro Takaki |
| SVC32-P15 | Re-evaluation of dike volume change under Asama Volcano during the 2004 eruptions | Keita Funatsu |
| SVC32-P16 | Re-examination of stratigraphy and magmatic processes during the Stage 2 and Stage 3 of Tateyama volcanic activity, central Japan. | Taiga Kokubo |
| SVC32-P17 | Considering the fracture process causing the phreatic eruption from the internal structure of the ejected block from the 2014 eruption of Mt. Ontake | Atsuko Namiki |
| SVC32-P18 | High-resolution characterization of deep low-frequency earthquake activity beneath Mount Fuji using waveform classification | Takuma Ikegaya |
| SVC32-P19 | Three-dimensional resistivity structure of Hakone volcano, Japan. | Hiromichi Shigmatsu |
| SVC32-P20 | Measurement of vertical wind direction and speed distribution using UAV for highly accurate estimation of volcanic gas emission rate | Yuji Miyashita |
| SVC32-P21 | Continuous monitoring of the CO2/H2S ratio in volcanic gas at Hakone volcano | Kotaro Toyama |
| SVC32-P22 | Continuous observations on soil diffuse degassing of carbon dioxide at Izu-Oshima volcano, Japan | Masaaki Morita |
| SVC32-P23 | Application of the PF method to volcanic earthquakes on Izu-Oshima | Ryohei Kawaguchi |
| SVC32-P24 | Estimation of crustal deformation of Miyakejima volcano and its pressure sources by using GNSS data | Rin Matsubara |
| SVC32-P25 | Analysis of crustal deformation associated with volcanic activity in 2019–2020 at Aso volcano | TAMAKI WAKABAYASHI |
| SVC32-P26 | Volcanic tremors associated with the 2010 phreatic eruptions of Shinmoedake volcano | KOJI KATO |
| SVC32-P27 | Vertical ground deformation of Sakurajima volcano measured by precise leveling survey (results of the Nov. 2024 survey) | Keigo Yamamoto |
| SVC32-P28 | Seismic evidence for eruptible magma beneath the Tatun volcano group of northern Taiwan | CHENG-HORNG LIN |
| SVC32-P29 | Continuous Activity at Lewotobi Lakilaki Volcano Following the 2024 Eruption: Insights from Remotely Sensed Data | Arif Aditiya |
| SVC32-P30 | Systematic detection of pre-eruptive tilt changes worldwide and classification by time functions | Yuta Maeda |
| SVC32-P31 | A method for evaluating the resolution of deformation monitoring networks in and around active volcanoes | Minemori Sato |
| SVC32-P32 | Monitoring activities of Izu volcanic islands based on DAS observations using seafloor fiber-optic cables: preliminary results | Masaru Nakano |
| SVC32-P33 | Long-Term Monitoring of Thermal Anomalies at Priority Evaluation Volcanoes Using Himawari-8/9 and GCOM-C Satellites (2020–2024) | KANEKO Takayuki |
| SVC32-P34 | Attempts to visualize and characterize the chemical composition of volcanic gases | Takeshi Ohba |
| SVC32-P35 | Hydrogen sulfide concentrations at hot springs areas around volcanoes, as measured by miniature monitor in development | maho okada |