Takashi Ishizawa

Profile Information

Affiliation: International Research Institute of Disaster Science, Tohoku University

Degree: 博士（理学）(東北大学)

J-GLOBAL ID: 201901014697469156
researchmap Member ID: B000354617

Research Interests

Research Areas

Natural sciences / Human geoscience /

Papers

Paleotsunami history along the northern Japan trench based on sequential dating of the continuous geological record potentially inundated only by large tsunamis

Takashi Ishizawa, Kazuhisa Goto, Yuichi Nishimura, Yosuke Miyairi, Chikako Sawada, Yusuke Yokoyama

Quaternary Science Reviews, 279 107381-107381, Mar, 2022
Three thousand year paleo-tsunami history of the southern part of the Japan Trench

Hokuto Higaki, Kazuhisa Goto, Hideaki Yanagisawa, Daisuke Sugawara, Takashi Ishizawa

PROGRESS IN EARTH AND PLANETARY SCIENCE, 8(1), Apr, 2021
Surface afterslip on the northernmost Hinagu fault associated with the 2016 Kumamoto earthquake

遠田晋次, 鳥井真之, 小俣雅志, 三五大輔, 石澤尭史

活断層研究, (54), 2021
Historical and geological evidence for the seventeenth-century tsunamis along kuril and japan trenches: Implications for the origin of the ad 1611 keicho earthquake and tsunami, and for the probable future risk potential

Hiroshi Tetsuka, Kazuhisa Goto, Yuichi Ebina, Daisuke Sugawara, Takashi Ishizawa

Geological Society Special Publication, 501(1) 269-288, 2021
Ten years after the 2011 Tohoku-oki earthquake and tsunami: Geological and environmental effects and implications for disaster policy changes

Kazuhisa Goto, Takashi Ishizawa, Yuichi Ebina, Fumihiko Imamura, Shosuke Sato, Keiko Udo

Earth-Science Reviews, 212, Jan, 2021
Dating tsunami deposits: Present knowledge and challenges

Takashi Ishizawa, Kazuhisa Goto, Yusuke Yokoyama, James Goff

EARTH-SCIENCE REVIEWS, 200, Jan, 2020
A gigantic boulder transported by the 2011 Tohoku-oki tsunami

Iwai Shohei, Goto Kazuhisa, Ishizawa Takashi

ISLAND ARC, 28(6), Aug 6, 2019 Peer-reviewed
Non-destructive analyses to determine appropriate stratigraphic level for dating of tsunami deposits

Ishizawa Takashi, Goto Kazuhisa, Yokoyama Yusuke, Miyairi Yosuke

MARINE GEOLOGY, 412 19-26, Jun, 2019 Peer-reviewed
Reducing the age range of tsunami deposits by C-14 dating of rip-up clasts

Ishizawa Takashi, Goto Kazuhisa, Yokoyama Yusuke, Miyairi Yosuke, Sawada Chikako, Takada Keita

SEDIMENTARY GEOLOGY, 364 334-341, Feb, 2018 Peer-reviewed
Sequential radiocarbon measurement of bulk peat for high-precision dating of tsunami deposits

Takashi Ishizawa, Kazuhisa Goto, Yusuke Yokoyama, Yosuke Miyairi, Chikako Sawada, Yuichi Nishimura, Daisuke Sugawara

QUATERNARY GEOCHRONOLOGY, 41 202-210, Aug, 2017 Peer-reviewed

Misc.

IODP‐ICDP第364次研究航海によるチチュルブ・クレーター掘削の成果とクレーター内部堆積物の再堆積過程

後藤和久, 石澤尭史, 菅原大助, MORGAN Joanna V, GULICK Sean P, S

日本堆積学会大会プログラム・講演要旨, 2018 3‐4, Mar 25, 2018
千葉県銚子市の過去3000年間の古津波履歴

檜垣北斗, 後藤和久, 柳澤英明, 菅原大助, 石澤尭史

日本地球惑星科学連合大会予稿集(Web), 2018 ROMBUNNO.MIS11‐P13 (WEB ONLY), 2018
Traces of paleotsunamis in the Shetland Islands

Ishizawa Takashi, Watanabe Masashi, Goto Kazuhisa, Ikehara Ken, Wallis Simon, Iryu Yasufumi

The Journal of the Geological Society of Japan, 122(3) I-II, 2016
和歌山県すさみ町における完新世の古環境変遷と古津波堆積物

千葉崇, 後藤和久, 藤野滋弘, 横山祐典, 宮入陽介, 沢田近子, 石澤尭史, 西村裕一, 菅原大助, GOFF James

日本地球惑星科学連合大会予稿集(Web), 2015 ROMBUNNO.MIS25‐03 (WEB ONLY), 2015
津波堆積物の高精度放射性炭素年代測定

宮入陽介, 横山祐典, 沢田近子, 石澤尭史, 西村裕一, 菅原大助, 川又隆央, 後藤和久

日本地球惑星科学連合大会予稿集(Web), 2015 ROMBUNNO.MIS25‐09 (WEB ONLY), 2015
ベイズ理論に基づく津波堆積物の高精度放射性炭素年代決定の試み

石澤尭史, 後藤和久, 横山祐典, 宮入陽介, 沢田近子, 西村裕一, 菅原大助

日本地球惑星科学連合大会予稿集(Web), 2015 ROMBUNNO.MIS25‐P18 (WEB ONLY), 2015

Presentations

Age correlation of tsunami deposits along onshore sites: challenges and recent advances

Takashi Ishizawa, Kazuhisa Goto, Yusuke Yokoyama, Yosuke Miyairi

Jul 24, 2021
Revised paleotsunami history at Kirikiri, Northeast Japan

Takashi Ishizawa, Yusuke Yokoyama, Yosuke Miyairi

Jun 6, 2021
Dating of crack-filling to constrain a timing of surface-rapturing earthquake

Takashi Ishizawa, Masayuki Torii, Shinji Toda, Yasuhide Fukuda, Yosuke Miyairi, Yusuke Yokoyama

Nov 22, 2020
Relationship between facies of tsunami deposits and paleo sedimentary environment which were reconstructed from plant macro fossils in peat

Takashi Ishizawa, Yuichi Nishimura

JpGU-AGU Joint Meeting 2020, Jul 15, 2020
Statistical Age Correlation of Tsunami Deposits to Estimate Frequency of Subduction Zone Earthquakes

Takashi Ishizawa, Kazuhisa Goto, Yusuke Yokoyama, Yosuke Miyairi

HOKUDAN International Symposium of Active Faulting, Jan 16, 2020
Non-destructive analyzes of sediments to discern tsunami-related mud cap and overlying muds to improve age determination of tsunami deposits

Takashi Ishizawa, Kazuhisa Goto, Yusuke Yokoyama, Yosuke Miyairi

Japan Geoscience Union Meeting 2019, May 30, 2019
津波堆積物の高確度年代推定に基づく広域年代対比

石澤尭史, 後藤和久, 横山祐典, 宮入陽介

東北大学理学・生命科学2研究科合同シンポジウム2019, Feb, 2019
Probabilistic regional scale correlation of tsunami deposits along the Pacific coast of Tohoku, Japan

Takashi Ishizawa, Kazuhisa Goto, Yusuke Yokoyama, Yosuke Miyairi, Chikako Sawada

5th International Tsunami Field Symposium, Sep, 2017
津波堆積物の高精度かつ効率的な放射性炭素年代推定法の提案

石澤尭史, 後藤和久, 横山祐典, 宮入陽介

日本地球惑星科学連合2017年大会, May, 2017
Precise age estimation of tsunami deposits at Urahoro

Takashi Ishizawa, Kazuhisa Goto, Yusuke Yokoyama, Yosuke Miayairi, Chikako Sawada, Yuichi Nishimura, Daisuke Sugawara

Creating the Anthropocene - Natural and Cultural Histories, Feb, 2017
儀礫を用いた津波堆積物の年代制約

石澤尭史, 後藤和久, 横山祐典, 宮入陽介, 沢田近子, 高田圭太

日本地球惑星科学連合2016年大会, May, 2016
High-precision 14C dating of tsunami deposits at Northern Sanriku, Japan

Takashi Ishizawa, Kazuhisa Goto, Yusuke Yokoyama, Yosuke Miayairi, Chikako Sawada, Yuichi Nishimura, Daisuke Sugawara

Arthur Holmes Meeting Tsunami Hazards and Risks: Using the Geological Record, The Geological Society, London, Sep, 2015
ベイズ理論に基づく津波堆積物の高精度放射性炭素年代決定の試み

石澤尭史, 後藤和久, 横山祐典, 宮入陽介, 沢田近子, 西村裕一, 菅原大助

日本地球惑星科学連合2015年大会, May, 2015
北海道浦幌町における津波堆積物のC14年代測定の高精度化

石澤尭史, 後藤和久, 横山祐典, 宮入陽介, 沢田近子, 西村裕一, 菅原大助

第3回国連防災会議パブリックフォーラムシンポジウム”環太平洋地域の津波災害痕跡・経験と知恵の伝承”, Sep, 2013

Research Projects

統合層序・年代モデル構築に基づく日本海溝の過去数万年間の地震履歴の解明

科学研究費助成事業, 基盤研究(B), 日本学術振興会, Apr, 2022 - Mar, 2025

池原研, 長橋良隆, 杉崎彩子, 板木拓也, 石澤尭史, 金松敏也
画像解析を用いた多量・高精度の砕屑物形状の抽出とそれに基づく給源・運搬過程の解明

科学研究費助成事業, 基盤研究(B), 日本学術振興会, Apr, 2021 - Mar, 2024

石村大輔, 山田圭太郎, 渡部真史, 山田昌樹, 石澤尭史, 高橋尚志
海溝型地震は内陸地震活動に影響を与えるのか？

科学研究費助成事業, 若手研究, 日本学術振興会, Apr, 2020 - Mar, 2023

石澤尭史

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