The 132nd Annual Meeting of the Geological Society of Japan
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Session OralT11 ［Topic Session］Urban Geology: Interdisciplinary research on natural and social environmentsEDI

[2oral401-07]T11. Urban Geology: Interdisciplinary research on natural and social environments

Mon. Sep 15, 2025 10:15 AM - 12:00 PM JST
Mon. Sep 15, 2025 1:15 AM - 3:00 AM UTC
oral room 4(E203)
Chiar:Yoshiyuki TAMURA(Chiba Prefectural Enviromnet Foundation), Susumu NONOGAKI(Geological Survey of Japan, AIST)
10:15 AM - 10:30 AM JST(1:15 AM - 1:30 AM UTC)ECS

[T11-O-1]Three-dimensional Urban Geological Map: Stratigraphy of the Pleistocene Shimosa Group in the northern extension part of Chiba Prefecture

*Keiya YONEOKA1, Tsutomu NAKAZAWA1, Susumu NONOGAKI1, Hiroomi NAKASATO1 (1. Geological Survey of Japan, AIST)
10:30 AM - 10:45 AM JST(1:30 AM - 1:45 AM UTC)

[T11-O-2]New findings on marker tephras in the Middle Pleistocene Yabu Formation, Shimosa Group .

*Hiroomi NAKAZATO1, Keiya YONEOKA1, Tsutomu NAKAZAWA1, Toru TAMURA1 (1. AIST,GSJ)
10:45 AM - 11:00 AM JST(1:45 AM - 2:00 AM UTC)

[T11-O-3]Geology and ground motion characteristics in the lowland of central Yokohama: Extremely soft post-LGM deposits and the underlying firm Kazusa Group

*Tsutomu Nakazawa1, Ikuo Cho1, Susumu Nonogaki1, Masanori Ozaki1, Kentaro Sakata1 (1. Geological Survey of Japan, AIST)
11:00 AM - 11:15 AM JST(2:00 AM - 2:15 AM UTC)

[T11-O-4]Geological conditions around the fissures on the coastal area caused by the 1923 Kanto earthquake: A geological survey in Nagasuka, Tateyama City

*Osamu Kazaoka1, Takahiro Kojima2 (1. Chiba Prefectural Environmental Research Center, 2. Research Institute of Energy, Environment and Geology, HRO)
11:15 AM - 11:30 AM JST(2:15 AM - 2:30 AM UTC)

[T11-O-5]Study on urban ground conditions in the Osaka Bay Area

*Naoko KITADA1, Mamoru MIMURA1 (1. Geo-Research Institute)
11:30 AM - 11:45 AM JST(2:30 AM - 2:45 AM UTC)

[T11-O-6]Possibility of discriminating slightly elevated topographies using microtremor observation data

*Junko KOMATSUBARA1, Ikuo CHO1, Yoshiki SATO1, Tomonori NAYA1 (1. Geological Survey of Japan, AIST)
11:45 AM - 12:00 PM JST(2:45 AM - 3:00 AM UTC)

[T11-O-7]Aplication of microtremor measurements to active fault research

*Mamoru KOARAI1, Tomoki KANEKO2, Nobuyuki NAKAJIMA3, Shigeki SENNA4 (1. College of Science, Ibaraki University, 2. JRTT, 3. Graduate School of Science and Engineering, Ibaraki University, 4. NIED)
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