JpGU Meeting 2019
Session outline| Solid Earth Sciences (S) | ||
|---|---|---|
| Session Sub-category | Volcanology(VC) | |
| Session ID | S-VC38 | |
| Title | Active Volcanism | |
| Short Title | Active Volcanism | |
| 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 Nishimura |
| Affiliation | Department of Geophysics, Graduate School of Science, Tohoku University | |
| Session Language | J | |
| Scope | 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. | |
| Presentation Format | Oral and Poster presentation | |
| Time | Presentation No | Title | Presenter | Abstract |
|---|---|---|---|---|
| Oral Presentation May 27 PM2 | ||||
| 15:30 - 15:45 | SVC38-01 | Tephrochoronology in the southwest part of basaltic Izu-oshima volcanic island during last 20,000 years, off Tokyo, Pacific Ocean | Takehiko Suzuki | |
| 15:45 - 16:00 | SVC38-02 | Tephrostratigraphy at Daisan-yama and Jinai-jima, and correlation with eruption deposits from Mamashitaura Volcanoes in Niijima Volcano, Izu-islands | Makoto Kobayashi | |
| 16:00 - 16:15 | SVC38-03 | Constration of pre-eruptive process using crystal clot: A case study of Unzen 1991-95 eruption | Kurumi Iwahashi | |
| 16:15 - 16:30 | SVC38-04 | Petrological study of Pinatubo 1991 eruption ~ Discussions of magma plumbing model~ | Tomohisa Tamura | |
| 16:30 - 16:45 | SVC38-05 | Rediscovery of the Higuruma Debris Avalanche Deposit in Asama-Kurofu Volcano | Maya Yasui | |
| Oral Presentation May 28 AM1 | ||||
| 09:00 - 09:15 | SVC38-06 | A sequence of volcanic flank collapse and tsunami event on 22 December 2018 at Anak Krakatau volcano, Indonesia | Fukashi Maeno | |
| 09:15 - 09:30 | SVC38-07 | The 2018 eddifice collapse event of Anak Krakatau, Indonesia: Telseismic waveform analysis and tsunami simulation | Shingo Watada | |
| 09:30 - 09:45 | SVC38-08 | The 2018 edifice collapse event of Anak Krakatau, Indonesia: Landslide movement history estimated from seismic waveforms | Masumi Yamada | |
| 09:45 - 10:00 | SVC38-09 | Intense Swarm Activity in the Vicinity of Yake-dake Volcano, Central Japan, Started in November 2018 | Shiro Ohmi | |
| 10:00 - 10:15 | SVC38-10 | Change of the volcanic activity at Kuju volcano. | Mori Takehiko | |
| 10:15 - 10:30 | SVC38-11 | Posteruptive Thermoelastic Deflation of Intruded Magma in Usu Volcano, Japan, 1992–2017 | Yosuke Aoki | |
| Oral Presentation May 28 AM2 | ||||
| 10:45 - 11:00 | SVC38-12 | Volcanic tremors and ash fall volumes associated with the 2018 vulcanian eruptions of Shinmoe-dake | Jun Oikawa | |
| 11:00 - 11:15 | SVC38-13 | Crustal deformation around the Kirishima Volcano Group detected by GNSS and SAR observation after 2018 eruption. | Hiroshi Yarai | |
| 11:15 - 11:30 | SVC38-14 | Harmonic tremor during 2011 eruption at Shinmoedake, Japan | Minoru Takeo | |
| 11:30 - 11:45 | SVC38-15 | Forecasting Volcanic Eruption of Sakurajima Volcano Based on Magma Intrusion Rate | Masato Iguchi | |
| 11:45 - 12:00 | SVC38-16 | Tilt and strain change before and after the explosion at Minami-dake, Sakurajima, in 2017 | Kohei Hotta | |
| 12:00 - 12:15 | SVC38-17 | Pyroclastic Flow Accompanied with an Eruption on June 16, 2018 at Sakurajima Volcano | Takeshi Tameguri | |
| Oral Presentation May 28 PM1 | ||||
| 13:45 - 14:00 | SVC38-18 | Ground deformation observed at the crater area of Tokachidake volcano | Hiroshi Aoyama | |
| 14:00 - 14:15 | SVC38-19 | Moment tensor inversion of very-long-period seismicity at Stromboli volcano based on a very-near-field observation | Shunsuke Sugimura | |
| 14:15 - 14:30 | SVC38-20 | Pressure source estimation of tilt changes associated with small explosions at Stromboli volcano | Ayumu Ishikawa | |
| 14:30 - 14:45 | SVC38-21 | Seismic and acoustic waves excited by volcanic explosion: analyses of energy ratio and source spectra | Mohammad Hasib | |
| 14:45 - 15:00 | SVC38-22 | Field survey report on Zao Volcano (2012−2018) | Akio Goto | |
| 15:00 - 15:15 | SVC38-23 | Inflation Event of Zao Volcano in 2015 | Satoshi Miura | |
| Oral Presentation May 28 PM2 | ||||
| 15:30 - 15:45 | SVC38-24 | A machine-learning-based estimation of large amplitude regions for monitoring volcano seismicity | Yuta Maeda | |
| 15:45 - 16:00 | SVC38-25 | Development of a technique for automatic determination of volcanic earthquakes with unclear onsets - Application to Mt. Asama - | Takao Ohminato | |
| 16:00 - 16:15 | SVC38-26 | Amplitude source location method with depth-dependent scattering and attenuation structures for volcano-seismic signals | Hiroyuki Kumagai | |
| 16:15 - 16:30 | SVC38-27 | Seismic interferometry at active volcanoes in Japan: Analyses of seismic records of JMA for the period from 2012 to 2018 | Takeshi Nishimura | |
| 16:30 - 16:45 | SVC38-28 | Empirical relation for Q factors of crack resonances and its use to estimate source properties of volcanic LP events | Kimiko Taguchi | |
| 16:45 - 17:00 | SVC38-29 | A study on the radiation pattern for resonating fluid-filled crack | Mare Yamamoto | |
| Oral Presentation May 29 AM2 | ||||
| 10:45 - 11:00 | SVC38-30 | Summary of Kikai submarine caldera researches conducted by KOBEC (Kobe Ocean-Bottom Exploration Center) | Nobukazu Seama | |
| 11:00 - 11:15 | SVC38-31 | Distribution of submarine pyroclastic-flow deposits of Akahoya eruption, Kikai caldera | Satoshi Shimizu | |
| 11:15 - 11:30 | SVC38-32 | Identification of submarine volcanic ash around the Kikai caldera with the Koya pyroclastic flow deposit inferred from glass composition | Reina NAKAOKA | |
| 11:30 - 11:45 | SVC38-33 | Preliminary report of the sea floor survey by a remotely operated vehicle (ROV) at the Kikai caldera, SW Japan | Koji Kiyosugi | |
| 11:45 - 12:00 | SVC38-34 | Seismic activity beneath Kikai Caldera by using Ocean Bottom Observation | Yasutomo Seto | |
| 12:00 - 12:15 | SVC38-35 | An investigation of three-dimensional electrical resistivity structure under Kikai Caldera | Tetsuo Matsuno | |
| Oral Presentation May 29 PM1 | ||||
| 13:45 - 14:00 | SVC38-36 | Time variation in the chemical and isotopic composition of fumarolic gases at Hakone volcano Japan | Takeshi Ohba | |
| 14:00 - 14:15 | SVC38-37 | Chemical and isotopic composition of volcanic gases at Mt Kirishima Iwoyama, Japan | Takeshi Ohba | |
| 14:15 - 14:30 | SVC38-38 | Temporal and spatial variations of helium isotope ratios in volcanic gases in Kirishima volcanic group, Japan | Kotaro Toyama | |
| 14:30 - 14:45 | SVC38-39 | Emission regions of gaseous elemental mercury around Yugama crater lake at Kusatsu-Shirane volcano, Japan | Akihiko Terada | |
| 14:45 - 15:00 | SVC38-40 | Magnetotelluric images of Kusatsu-Shirane volcano, revisited by 3-D modeling with tetrahedral elements considered topography effect | Kuo Hsuan Tseng | |
| 15:00 - 15:15 | SVC38-41 | Magma conduit and associated hydrothermal systems of Aso volcano as revealed by broadband magnetotelluric data | Nobuo Matsushima | |
| Presentation No | Title | Presenter | Abstract |
|---|---|---|---|
| Poster Presentation May 27 AM2 | |||
| SVC38-P01 | The structure of Showa-Shinzan Yaneyama Usu by seismic reflection surveys | Ryuichi Takei | |
| SVC38-P02 | Ground deformation associated with the 2014-2015 and the 2018-2019 volcanic activities at Azumayama | Jun Okada | |
| SVC38-P03 | BP-type and BT-type volcanic earthquakes in Azumayama | Yusuke Yoshigai | |
| SVC38-P04 | The occurrence and petrology of the fine-grained pyroclastic materials of the Futatsudake-Shibukawa eruption in Haruna volcano. | Teruyoshi Maruyama | |
| SVC38-P05 | The occurrence and petrology of the block and ash flow deposit from the Futatsudake-Shibukawa eruption, Haruna volcano | Yuki Suzuki | |
| SVC38-P06 | Report of Volcanic Activity at Kusatsu-Shiranesan in 2018 | Tsukasa Kobayashi | |
| SVC38-P07 | Noble gas isotope composition of fumaroles and hydrothermal gases around Kusatsu-Shirane volcano | Kotaro Toyama | |
| SVC38-P08 | Self-potential and geomagnetic total intensity observations at Motoshirane volcano after the 2018 eruption | Akira Yamazaki | |
| SVC38-P09 | Eruption processes of the 3rd and 4th stage of Niigata-Yakeyama Volcano, Japan, inferred from microlite texture and chemical composition | Takumi Yoshida | |
| SVC38-P10 | Estimation of subsurface structure of Shinyu crater lake, Tateyama Caldera, based on the water level and seismic observation data | Ryohei Kawaguchi | |
| SVC38-P11 | Real time monitoring of underground temperature in Jigokudani, Midagahara volcano using LPWA devices | Tohru Watanabe | |
| SVC38-P12 | Varying chemical and isotopic compositions of fumarolic gases from the summit and from the 1962-63 eruptive vents at Yakedake Volcano, Japan | Takeshi Saito | |
| SVC38-P13 | Eruption age determination of the latest two lava flows and characteristics of volcaniclastic materials from the recent activity of Yokodake Volcano, Japan | Hiroya Nitta | |
| SVC38-P14 | Estimating the date of the 2007 eruption of Mount Ontake Volcano using waveform correlation | Shuhei Nishijima | |
| SVC38-P15 | Seismic activity beneath Mt. Ontake volcano before and after the 2007 and 2014 eruptions | Yoshiko Yamanaka | |
| SVC38-P16 | Effect of rain and snowmelt correction of tiltmeter data - Application example for Ontakesan Volcano - | Kazuhiro Kimura | |
| SVC38-P17 | Spatial Variation of b-value around Mt. Fuji influenced by the Eastern Shizuoka Earthquake of 15 March 2011 | Takumi Murakoshi | |
| SVC38-P18 | Present condition of submarged volcano, Teishi Knoll, off Ito, Eastern Izu Peninsula | Toshiro Yamanaka | |
| SVC38-P19 | Descriptions and age of volcanic products before the caldera formation in the northern part of Izu-Oshima, off Tokyo, Pacific Ocean | Satoshi Terayama | |
| SVC38-P20 | Time change of p-value by Schuster method using earthquakes around Izu-Ohsima summit | Hiroyuki Takayama | |
| SVC38-P21 | Standard stratigraphy and characteristic properties of late Quaternary tephras on the Niijima-island: Report of geochemistry and refractive indices of volcanic glass shards, orthopyroxene, hornblende, and cummingtonite | Kaori Aoki | |
| SVC38-P22 | Tephrostratigraphy and its eruption history of the Latest Activity in the Kozushima Volcano, the Izu Islands | Makoto Kobayashi | |
| SVC38-P23 | Characteristics of hypocenter distribution connected with velocity structures in and around Miyakejima, Kozushima and Hachijojima volcanoes | Hiroko Hagiwara | |
| SVC38-P24 | Deformation of Miyakejima volcano measured by GNSS campaign observation (2013-2015) | Haruna Watanabe | |
| SVC38-P25 | Characteristic properties of distal and proximal tephras in the Mikurajima Island, Izu Islands. | Tomohiro Tano | |
| SVC38-P26 | Pseudo thermal anomalies in the shortwave infrared bands of the Himawari-8 AHI and their correction for volcano thermal observation | Takayuki Kaneko | |
| SVC38-P27 | Shallow earthquakes in Unzen Volcano inferred from dense seismic observation and resistivity structure | Hashimoto Tasuku | |
| SVC38-P28 | Characteristics of shallow volcanic earthquakes beneath the summit of Unzen Volcano | Kanta Miyano | |
| SVC38-P29 | Pyroclastic deposits and the stratigraphy on the outcrop to north east from Mt.Unzen | Daisuke Nagai | |
| SVC38-P30 | Relative gravity changes in Aso Volcano (Kumamoto Prefecture) observed from 2015 to 2018 | Yusuke Miyauchi | |
| SVC38-P31 | Precise leveling survey in Aso volcano, 2018 | Takahiro Ohkura | |
| SVC38-P32 | Magma evolution during the Aso-3 caldera-forming eruption cycle deduced from the chemistry of plagioclase phenocrysts | yuki matsukida | |
| SVC38-P33 | Relationship between duration of eruption tremor and eruption volume | Azusa Mori | |
| SVC38-P34 | Crustal deformation accompanied with the eruption of Shinmoe-dake in early March 2018 | Tsuyoshi Watanabe | |
| SVC38-P35 | Sources under Iwo-yama, Kirishima Volcanoes derived from GNSS observation and Precise leveling survey. | Yuki Koga | |
| SVC38-P36 | Regional vertical deformation around Aira caldera from GNSS data | Kazuho Nakai | |
| SVC38-P37 | Vertical ground deformation in Sakurajima volcano measured by precise leveling survey (during Nov. 2017 - Nov. 2018) | Keigo Yamamoto | |
| SVC38-P38 | Spatiotemporal gravity variations from the 1990s in Sakurajima Volcano, revealed by repeated relative gravity measurements | Ryo Oyanagi | |
| SVC38-P39 | Investigation into the crater of Sakurajima volcano during eruption using UAV | Shunsuke Miura | |
| SVC38-P40 | Seismic refraction and wide-angle reflection experiment in southern Kyushu, Japan: (3) the 2018 exploration report | Hiroki Miyamachi | |
| SVC38-P41 | Flow and emplacement mechanism of Koya Ignimbrite | Keiko Suzuki-Kamata | |
| SVC38-P42 | Investigating Origin of landslide-like bathymetric feature at southern Mt.Kaimon using bathymetric and multichannel seismic reflection surveys | hiroto yamaguchi | |
| SVC38-P43 | Occurrence and distribution of pyroclastic fall deposits of Kuchinoerabujima volcano 2018-2019 eruption | Masashi NAGAI | |
| SVC38-P44 | Ground Deformation around Domestic Active Volcanoes detected by InSAR of ALOS-2/PALSAR-2 | Takafumi Taniguchi | |
| SVC38-P45 | Volcano-hydrothermal inflation revealed by the spatial variation of stress field at the Tatun Volcano Group, northern Taiwan | Hsin-Chieh Pu | |
| SVC38-P46 | Topographic change and crustal deformation associated with December 2018 eruption of Krakatau volcano in Indonesia | Hiroshi Yarai | |