Repeated drainage from megathrusts during episodic slow slip

J Nakajima, N Uchida - Nature Geoscience, 2018 - nature.com
Pore-fluid pressure levels are considered to regulate the frictional strength and slip
behaviour at megathrusts, where the largest earthquakes on Earth occur. Some analyses …

Nuclear magnetic resonance characterization of shallow marine sediments from the Nankai Trough, Integrated Ocean Drilling Program Expedition 333

H Daigle, B Thomas, H Rowe… - Journal of Geophysical …, 2014 - Wiley Online Library
We measured nuclear magnetic resonance (NMR) relaxation times on samples from
Integrated Ocean Drilling Program Expedition 333 Sites C0011, C0012, and C0018. We …

Seismic attenuation beneath northeastern Japan: Constraints on mantle dynamics and arc magmatism

J Nakajima, S Hada, E Hayami… - Journal of …, 2013 - Wiley Online Library
We apply a three‐step approach to estimate three‐dimensional (3‐D) P wave attenuation
(Qp− 1) structure beneath northeastern Japan. First, corner frequencies of earthquakes are …

Hypocenter migration and seismicity pattern change in the Yamagata‐Fukushima border, NE Japan, caused by fluid movement and pore pressure variation

K Yoshida, A Hasegawa - Journal of Geophysical Research …, 2018 - Wiley Online Library
The spatiotemporal distributions of hypocenters and temporal change in seismicity patterns
were investigated in details for events in the Yamagata‐Fukushima border earthquake …

Heterogeneities in stress and strength in Tohoku and its relationship with earthquake sequences triggered by the 2011 M9 Tohoku-Oki earthquake

K Yoshida, A Hasegawa, T Yoshida… - Pure and Applied …, 2019 - Springer
Inland Tohoku has been recognized as under the WNW-ESE compressional stress state
before the 2011 M9 Tohoku-Oki earthquake. Earthquakes that occurred there were …

Sendai-Okura earthquake swarm induced by the 2011 Tohoku-Oki earthquake in the stress shadow of NE Japan: Detailed fault structure and hypocenter migration

K Yoshida, A Hasegawa - Tectonophysics, 2018 - Elsevier
We investigated the distribution and migration of hypocenters of an earthquake swarm that
occurred in Sendai-Okura (NE Japan) 15 days after the 2011 M9. 0 Tohoku-Oki earthquake …

Correlation between Coulomb stress imparted by the 2011 Tohoku-Oki earthquake and seismicity rate change in Kanto, Japan

T Ishibe, K Satake, S Sakai, K Shimazaki… - Geophysical Journal …, 2015 - academic.oup.com
We studied the seismicity rate increase in the Kanto region around Tokyo following the 2011
Tohoku-Oki earthquake (M w 9.0) to examine whether this increase was correlated with the …

An analytical solution for solitary porosity waves: dynamic permeability and fluidization of nonlinear viscous and viscoplastic rock

JAD Connolly, YY Podladchikov - Crustal permeability, 2012 - Wiley Online Library
Porosity waves correspond to a steady‐state solution to the coupled hydraulic and rheologic
equations that govern the flow of the fluid through the matrix and matrix deformation. This …

Fluid pulses during stepwise brecciation at intermediate subduction depths (Monviso eclogites, W. Alps): first internally then externally sourced

M Locatelli, A Verlaguet, P Agard… - Geochemistry …, 2019 - Wiley Online Library
Eclogite‐facies breccias from the Monviso metaophiolite complex (N‐Italy and W‐Alps)
represent a unique opportunity to study the triggering mechanisms for transient brittle …

Aftershock productivity of intermediate-depth earthquakes in Japan

SX Chu, GC Beroza - Geophysical Journal International, 2022 - academic.oup.com
Intermediate-depth earthquakes occur at temperatures and pressures thought to prohibit
brittle fracture and are deficient in aftershocks compared to shallow earthquakes. We search …