Room B

[S23] AM-1

Tue. Oct 31, 2023 9:30 AM - 10:40 AM Room B (F201)

chairperson:Yusuke Tomozawa(Kajima Technical Research Institute, Kajima Corporation), Takumi Hayashida(IISEE, Building Research Institute)

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9:30 AM - 9:50 AM

[S23-01] [Invited]Probability of M8 class earthquake along the Sagami Trough, central Japan

*Masajiro IMOTO¹, Nobuyuki MORIKAWA¹, Hiroyuki FUJIWARA¹ (1. National Research Institute for Earth Science and Disaster Resilience )

9:50 AM - 10:05 AM

[S23-02] Future Probability of Occurrence of the Next M~8 Kanto Earthquake for Various Combination of Past Events

*Kenji SATAKE¹, Katsuhiko ISHIBASHI² (1. Earthquake Research Institute, the University of Tokyo, 2. Kobe University)

10:05 AM - 10:25 AM

[S23-03] [Invited]Crustal Structures and Seismo-tectonics of the Izu Collision Zone

*Ryou HONDA¹, Yuki ABE¹, Ryosuke DOKE¹ (1. Hot Springs Research Institute of Kanagawa Prefectural Government)

10:25 AM - 10:40 AM

[S23-04] Importance of the 1923 coseismic uplift of Hatsushima Island in western Sagami Bay for seismotectonics of the Kanto earthquake

*Katsuhiko ISHIBASHI¹ (1. none)

Room B

[S23] AM-2

Tue. Oct 31, 2023 11:00 AM - 12:15 PM Room B (F201)

chairperson:Satoko Murotani(National Museum of Nature and Science), Mikiya Yamashita(National Institute of Advanced Industrial Science and Technology)

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11:00 AM - 11:15 AM

[S23-05] Changes in seismic activity before the 1923 Kanto earthquake
inferred from the macro-seismic observation and other data

*Nobuo HAMADA¹, Kenshiro Tsumura¹ (1. non)

11:15 AM - 11:30 AM

[S23-06] Structural Characteristics of Uppermost Frontal Thrust along the Sagami Trough

*Mikiya YAMASHITA¹, Ayanori Misawa¹, Takafumi Kasaya², Masataka Kinoshita³, Seiichi Miura² (1. Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology, 2. JAMSTEC, 3. ERI, University of Tokyo)

11:30 AM - 11:45 AM

[S23-07] Geometry of the top of Philippine Sea plate beneath the Kanto region, Japan: revealed by seismic profiling

*Hiroshi SATO^1,2, Susumu Abe³, Takaya Iwasaki^4,1, Makoto Matsubara⁵, Eiji Kurashimo¹, Tatsuya Ishiyama¹, Naoko Kato¹, Yoshitaka Nakayama⁶, Naoshi Hirata¹ (1. Univ. of Tokyo, 2. Shizuoka Univ., 3. JGI. Inc., 4. Association for the Development of Earthquake Prediction, 5. National Research Institute for Earth Science and Disaster Resilience, 6. Japan Organization for Metals and Energy Security)

11:45 AM - 12:00 PM

[S23-08] Strong ground motion in the South-East part of Ibaraki Prefecture during the earthquakes in the North-East part of Chiba Prefecture, Japan

*Tomiichi UETAKE¹, Kazuhito HIKIMA¹ (1. Tokyo Electric Power Company Holdings)

12:00 PM - 12:15 PM

[S23-09] How to convey and inherit the 1923 Great Kanto Earthquake - Utilization of digital contents

*Satoko MUROTANI¹ (1. National Museum of Nature and Science)

Poster session (Sep. 16th)

[S23P] PM-P

Tue. Oct 31, 2023 5:00 PM - 6:30 PM Room P8 (F201 and 3 side foyer) (Hall Annex)

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[S23P-01] Possibility of the occurrence of the 1433 Eikyo interplate Kanto earthquake 140 years after the preceding one

*Katsuhiko ISHIBASHI¹ (1. none)

[S23P-02] The geometry of the Moho of the Philippine Sea Plate in and around the Izu collision zone in central Japan

*Yuki ABE¹, Ryou Honda¹, Motoko Ishise², Shin'ichi Sakai³, Yohei Yukutake⁴, Ryosuke Doke¹ (1. Hot Springs Research Institute, Kanagawa Prefectural Government, 2. Faculty of Science, Yamagata University, 3. The University of Tokyo, Interfaculty Initiative in Information Studies, Graduate School of Interdisciplinary Information Studies, 4. Earthquake Research Institute, The University of Tokyo)

[S23P-03] Estimation of natural period and damping ratio of the Imamura-type strong-motion seismograph by the Random Decrement Technique

*Takashi HAYAKAWA¹, Shunichi KATAOKA², Toshiaki SATO³, Keiichi OKADA¹, Junichi MIYAKOSHI³ (1. SHIMIZU Corp. Institute of Technology, 2. Hirosaki University, 3. Ohsaki Research Institute)

[S23P-04] Study on the seismic intensity of earthquakes beneath the Kanto region: Classification of earthquakes with an anomalous seismic intensity

*Motoko ISHISE¹, Ryoichi Nakamura², Shiina Takahiro³ (1. Yamagata Univ., 2. Naka Earthquake Research, 3. AIST)

Sessions

Special session » S23. 100 years after the Great Kanto earthquake: development of earthquake research in the Kanto region