<strong>Shallow coseismic slip on low-healing pelagic clay in the source region of the 2011 Tohoku-oki earthquake</strong>

Kohtaro Ujiie

Presentation information

[E] Oral

S (Solid Earth Sciences ) » S-CG Complex & General

[S-CG63] Uncovering stress accumulation and fault strengthening of megathrust earthquakes

Mon. May 25, 2026 9:00 AM - 10:30 AM 301A (International Conference Hall, Makuhari Messe)

Chairperson:Kodaira Shuichi(Japan Agency for Marine-Earth Science and Technology), Ujiie Kohtaro(Faculty of Life and Environmental Sciences, University of Tsukuba), Regalla Christine(Northern Arizona University)

9:45 AM - 10:00 AM

[SCG63-04] Shallow coseismic slip on low-healing pelagic clay in the source region of the 2011 Tohoku-oki earthquake

*Kohtaro Ujiie¹, Matt Ikari², Junli Zhang², Hanaya Okuda³, Rina Fukuchi⁴, Suzu Nazuka¹ (1. University of Tsukuba, 2. University of Bremen, 3. JAMSTEC, 4. Naruto University of Education)

Keywords:Frictional healing, High-velocity frictional property, Plate boundary fault drilling, Tohoku-oki earthquake, Japan Trench subduction zone