Slip rate deficit and earthquake potential on shallow megathrusts

EO Lindsey, R Mallick, JA Hubbard, KE Bradley… - Nature …, 2021 - nature.com
Most destructive tsunamis are caused by seismic slip on the shallow part of offshore
megathrusts. The likelihood of this behaviour is partly determined by the interseismic slip …

Rapid shallow megathrust afterslip from the 2021 M8. 2 Chignik, Alaska earthquake revealed by seafloor geodesy

BA Brooks, D Goldberg, J DeSanto, TL Ericksen… - Science …, 2023 - science.org
The shallower portions of subduction zone megathrust faults host Earth's most hazardous
tsunamigenic earthquakes, yet understanding how and when they slip remains elusive …

Heterogeneous rheology of Japan subduction zone revealed by postseismic deformation of the 2011 Tohoku-oki earthquake

S Dhar, J Muto, Y Ohta, T Iinuma - Progress in Earth and Planetary Science, 2023 - Springer
The 2011 Tohoku-oki earthquake produced the most well-recorded postseismic deformation
of any megathrust earthquake in the world. Over the last decade, researchers have used a …

Investigating a tsunamigenic megathrust earthquake in the Japan Trench

S Kodaira, T Iinuma, K Imai - Science, 2021 - science.org
BACKGROUND Ten years have passed since the 2011 Tohoku-oki earthquake occurred in
the Japan Trench, where the Pacific plate subducts beneath the continental plate. The …

Months-long thousand-kilometre-scale wobbling before great subduction earthquakes

JR Bedford, M Moreno, Z Deng, O Oncken, B Schurr… - Nature, 2020 - nature.com
Megathrust earthquakes are responsible for some of the most devastating natural disasters.
To better understand the physical mechanisms of earthquake generation, subduction zones …

Geodetically inferred locking state of the Cascadia megathrust based on a viscoelastic Earth model

S Li, K Wang, Y Wang, Y Jiang… - Journal of Geophysical …, 2018 - Wiley Online Library
In a viscoelastic Earth, stresses slowly built up due to fault locking are relaxed concurrently
during the entire interseismic period. This interseismic stress relaxation causes crustal …

Postseismic geodetic signature of cold forearc mantle in subduction zones

H Luo, K Wang - Nature Geoscience, 2021 - nature.com
A sharp thermal contrast between the cold forearc and the hot arc and backarc is considered
fundamental to various subduction-zone processes. However, direct observational evidence …

Bayesian Inversion for a Stress‐Driven Model of Afterslip and Viscoelastic Relaxation: Method and Application to Postseismic Deformation Following the 2011 MW …

J Fukuda, KM Johnson - Journal of Geophysical Research …, 2021 - Wiley Online Library
Postseismic deformation following great subduction earthquakes is commonly modeled as
the sum of the contributions from afterslip on the megathrust and viscoelastic relaxation of …

Offshore postseismic deformation of the 2011 Tohoku earthquake revisited: Application of an improved GPS‐acoustic positioning method considering horizontal …

C Honsho, M Kido, F Tomita… - Journal of Geophysical …, 2019 - Wiley Online Library
One of the important issues on the GPS‐acoustic (GPS‐A) observation for sea bottom
positioning is how to address the horizontal heterogeneity of the sound speed in oceans …

Finding simplicity in the complexity of postseismic coastal uplift and subsidence following great subduction earthquakes

H Luo, K Wang - Journal of Geophysical Research: Solid Earth, 2022 - Wiley Online Library
Following great subduction earthquakes, postseismic deformation of coastal areas shows
consistent seaward motion but complex vertical deformation. Understanding both the …