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日本堆積学会　メールマガジン　◆2023年7月3日（1115号）
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堆積学会会員の皆さま

本年12月11?15日にサンフランシスコでハイブリッド開催されるアメリカ地球物理学連合
2023年秋季大会で、下記の通り、「Progress in Submarine Paleoseismology towards
Understanding Large Earthquake Recurrence」のセッションが持たれます。堆積学会
会員の皆さまにおかれましては、積極的なご投稿を検討いただければと思います。
アブストラクトの投稿締め切りは、8月2日（水）です。

よろしくお願いいたします。

セッション概要
AGU Fall Meeting 2023: 11?15 December 2023 in San Francisco, CA (hybrid format)

S025 - Progress in Submarine Paleoseismology towards Understanding Large Earthquake Recurrence

Conveners: Michael Strasser (University of Innsbruck), Jamie Howarth (Victoria University of Wellington),
 Ken Ikehara (Geological Survey of Japan, AIST), Cecilia McHugh (Queens College, City University of New York),
  Valerie J. Sahakian (University of Oregon)

Session description: Short instrumental records provide a limited perspective on Earth’s largest earthquakes. 
New advances in understanding the spatio-temporal distribution of earthquake rupture have emerged through 
the application of novel approaches for extracting earthquake signals from marine geological records, which
expand large earthquake catalogs thousands of years into the past with unprecedented precision. Despite 
these advances, challenges remain in submarine paleoseismology. Quantitative attempts to generate predictable
relationships between earthquake rupture characteristics, ground-motion-induced sediment remobilization, 
sediment transport and event-layer deposition are still in their infancy. Establishing high-resolution 
event chronologies, determining earthquake recurrence intervals, and defining the spatial extent of 
past ruptures from geological observations needs further improvement in many settings. This session 
invites contributions that highlight recent success and new perspectives in submarine paleoseismology. 
We welcome contributions from a broad spectrum of approaches encompassing offshore observatories, research 
cruises and IODP expeditions, sediment core analyses, geophysical, geotechnical, and fluid dynamics 
modelling, and statistical seismology.

Planned invited speakers:
Jenna Hill (USGS): Marine paleoseismic records from the Cascadia Subduction Zone: Insights from detailed AUV 
and ROV surveys at the deformation front Toshiya Kanamatsu (JAMSTEC): Chronostratigraphy of deep-sea event deposits 
using paleomagnetic secular variation record in Japan Trench: IODP Expedition 386 submarine paleoseismology

Abstract submission: via https://agu.confex.com/agu/fm23/prelim.cgi/Home/0

Abstract deadline: 2 August (Wed.), 2023 23:59 EDT/03:59 +1 GMT

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茨城大学 水圏環境フィールドステーション（山口直文）内
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