Search Results - "Fukuda, Jun’ichi"

Variability of the Space‐Time Evolution of Slow Slip Events Off the Boso Peninsula, Central Japan, From 1996 to 2014 by Fukuda, Jun'ichi

“…Global Navigation Satellite System data are inverted to investigate the space‐time evolution of five Mw 6.6–6.7 slow slip events (SSEs) off the Boso Peninsula,…”
Get full text

Foreshock migration preceding the 2016 Mw 7.0 Kumamoto earthquake, Japan by Kato, Aitaro, Fukuda, Jun'ichi, Nakagawa, Shigeki, Obara, Kazushige

“…We investigated the spatiotemporal evolution of an earthquake sequence following a series of large shallow intraplate earthquakes, including a Mw 6.2 foreshock…”
Get full text

Geodetic Evidence of Time‐Dependent Viscoelastic Interseismic Deformation Driven by Megathrust Locking in the Southwest Japan Subduction Zone by Li, Shaoyang, Fukuda, Jun'ichi, Oncken, Onno

“…The time‐variable features of interseismic deformation in subduction zones are poorly understood and commonly ignored. Here, by incorporating century‐long…”
Get full text

Challenging the rate-state asperity model: Afterslip following the 2011 M9 Tohoku-oki, Japan, earthquake by Johnson, Kaj M., Fukuda, Jun'ichi, Segall, Paul

“…Prior to the 2011 M9 Tohoku‐oki earthquake, subduction at the Japan Trench was characterized by M7‐8 earthquakes, sometimes rupturing the same source regions…”
Get full text

Response of seismicity to static and dynamic stress changes induced by the 2011 M9.0 Tohoku-Oki earthquake by Kato, Aitaro, Fukuda, Jun'ichi, Obara, Kazushige

“…A growing body of evidence indicates that many earthquakes are triggered by static and dynamic stress changes following large earthquakes. However, it has been…”
Get full text

Mixed linear—non-linear inversion of crustal deformation data: Bayesian inference of model, weighting and regularization parameters by Fukuda, Jun'ichi, Johnson, Kaj M.

“…We present a unified theoretical framework and solution method for probabilistic, Bayesian inversions of crustal deformation data. The inversions involve…”
Get full text

Are the frictional properties of creeping faults persistent? Evidence from rapid afterslip following the 2011 Tohoku-oki earthquake by Fukuda, Jun'ichi, Kato, Aitaro, Kato, Naoyuki, Aoki, Yosuke

“…Geophysical observations and numerical studies have shown that creeping portions of faults have persistent rate‐strengthening frictional properties and can act…”
Get full text

Imaging of the early acceleration phase of the 2013-2014 Boso slow slip event by Fukuda, Jun'ichi, Kato, Aitaro, Obara, Kazushige, Miura, Satoshi, Kato, Teruyuki

“…We analyze GPS and seismic data to examine the spatiotemporal evolution of a slow slip event (SSE) near Boso Peninsula, central Japan, from December 2013 to…”
Get full text

Spatiotemporal Evolution of Long‐ and Short‐Term Slow Slip Events in the Tokai Region, Central Japan, Estimated From a Very Dense GNSS Network During 2013–2016 by Sakaue, Hiromu, Nishimura, Takuya, Fukuda, Jun'ichi, Kato, Teruyuki

“…We analyzed Global Navigation Satellite System (GNSS) data from 1 January 2008 to 31 January 2016 for the Tokai region of the Nankai subduction zone, in order…”
Get full text

Numerical simulation of the Kamaishi repeating earthquake sequence: Change in magnitude due to the 2011 Tohoku-oki earthquake by Yoshida, Shingo, Kato, Naoyuki, Fukuda, Jun'ichi

“…We conducted numerical simulations of a repeating earthquake sequence on the plate boundary off the shore of Kamaishi, northeastern Japan, assuming rate- and…”
Get full text

Spatiotemporal Evolution of Recurrent Slow Slip Events Along the Southern Ryukyu Subduction Zone, Japan, From 2010 to 2013 by Kano, Masayuki, Fukuda, Jun'ichi, Miyazaki, Shin'ichi, Nakamura, Mamoru

“…Slow slip events (SSEs) with a moment magnitude of 6.6–6.7 occur at intervals of 5–9 months along the southern Ryukyu subduction zone in southwestern Japan. To…”
Get full text

Fault friction parameters inferred from the early stages of afterslip following the 2003 Tokachi‐oki earthquake by Fukuda, Jun'ichi, Johnson, Kaj M., Larson, Kristine M., Miyazaki, Shin'ichi

“…We use subdaily GPS time series of positions in the first 5 hours following the 2003 Tokachi‐oki earthquake (Mw = 8.0) located offshore of Hokkaido, Japan, to…”
Get full text

Accelerated nucleation of the 2014 Iquique, Chile Mw 8.2 Earthquake by Kato, Aitaro, Fukuda, Jun’ichi, Kumazawa, Takao, Nakagawa, Shigeki

“…The earthquake nucleation process has been vigorously investigated based on geophysical observations, laboratory experiments and theoretical studies; however,…”
Get full text

Imaging evolution of Cascadia slow-slip event using high-rate GPS by Itoh, Yuji, Aoki, Yosuke, Fukuda, Junichi

“…The slip history of short-term slow slip event (SSE) is typically inferred from daily Global Positioning System (GPS) data, which, however, cannot image the…”
Get full text

Enhancement of ductile deformation in polycrystalline anorthite due to the addition of water by Fukuda, Junichi, Muto, Jun, Koizumi, Sanae, Sawa, Sando, Nagahama, Hiroyuki

“…We performed shear deformation experiments on synthetic anorthite (An) aggregates with various amounts of water added externally. The samples were pure An…”
Get full text

Extremely early recurrence of intraplate fault rupture following the Tohoku-Oki earthquake by Fukushima, Yo, Toda, Shinji, Miura, Satoshi, Ishimura, Daisuke, Fukuda, Jun’ichi, Demachi, Tomotsugu, Tachibana, Kenji

“…Intraplate earthquakes on a fault in Earth’s upper crust commonly recur in 1,000 years or longer. The 2011 M9 Tohoku-Oki earthquake triggered the activation of…”
Get full text

Bayesian Inversion for a Stress‐Driven Model of Afterslip and Viscoelastic Relaxation: Method and Application to Postseismic Deformation Following the 2011 MW 9.0 Tohoku‐Oki Earthquake by Fukuda, Junichi, Johnson, Kaj M.

“…Postseismic deformation following great subduction earthquakes is commonly modeled as the sum of the contributions from afterslip on the megathrust and…”
Get full text

Foreshock migration preceding the 2016 M w 7.0 Kumamoto earthquake, Japan by Kato, Aitaro, Fukuda, Jun'ichi, Nakagawa, Shigeki, Obara, Kazushige

“…We investigated the spatiotemporal evolution of an earthquake sequence following a series of large shallow intraplate earthquakes, including a M w 6.2…”
Get full text

A new approach to time-dependent inversion of geodetic data using a Monte Carlo mixture Kalman filter by Fukuda, Jun'ichi, Higuchi, Tomoyuki, Miyazaki, Shin'ichi, Kato, Teruyuki

“…In the last decade, continuous Global Positioning System (GPS) networks have observed transient crustal deformation associated with various types of aseismic…”
Get full text

Water release and homogenization by dynamic recrystallization of quartz by Fukuda, Junichi, Okudaira, Takamoto, Ohtomo, Yukiko

“…To evaluate changes in water distribution generated by dynamic recrystallization of quartz, we performed infrared (IR) spectroscopy mapping of quartz in…”
Get full text