Results 51 to 60 of about 415 (163)

Coseismic and postseismic deformation associated with the 2003 Chengkung, Taiwan, earthquake [PDF]

open access: yesGeophysical Journal International, 2009
SUMMARY We use GPS-derived coseismic and postseismic displacements of the 2003 Mw 6.8 Chengkung, Taiwan, earthquake to examine seismogenic behaviour of the southern Longitudinal Valley. We invert for fault slip on the Chihshang fault, a segment of the Longitudinal Valley fault, based on a simplified layered earth model and a listric-shape fault ...
Ya-Ju Hsu, Shui-Beih Yu, Horng-Yue Chen
openaire   +1 more source

Present-day crustal deformation revealed active tectonics in Yogyakarta, Indonesia inferred from GPS observations

open access: yesGeodesy and Geodynamics, 2020
We investigated the active crustal structure in Yogyakarta, Indonesia, using new and denser Global Positioning System (GPS) data. Deformation rate estimated from five years (2013–2018) of observations on 22 campaign might record broad deformation after ...
Nurrohmat Widjajanti   +10 more
doaj   +1 more source

How Long Can the Postseismic and Interseismic Phases of Great Subduction Earthquake Sustain? Toward an Integrated Earthquake‐Cycle Perspective

open access: yesGeophysical Research Letters, 2023
The transition of subduction systems from postseismic to interseismic phase is an important indicator of their stress state and readiness for subsequent events.
Shaoyang Li, Ling Chen
doaj   +1 more source

Rapid early afterslip characteristics of the 2010 moment magnitude (Mw) 8.8 Maule earthquake determined with sub-daily GPS solutions

open access: yesSatellite Navigation
Ground surface deformations can be observed during the coseismic and postseismic periods. The accurate determination of displacements is of paramount importance for the assessment of the destructive power of large earthquakes and the characterization of ...
Kai Liu   +5 more
doaj   +1 more source

GNSS VELOCITY AND STRAIN FIELD IN THE NORTHERN SUMATRA 15 YEARS AFTER THE 2004 M9.2 SUMATRA ANDAMAN EARTHQUAKE

open access: yesГеодинамика и тектонофизика
The 2004 M9.2 Sumatra-Andaman earthquake in the tectonically active northern Sumatra, could generate postseismic deformation up to a recent period and needs to be considered for earthquake potential study.
S. M. Alif   +3 more
doaj   +1 more source

Postseismic deformation in Chile: Constraints on the asthenospheric viscosity

open access: yesGeophysical Research Letters, 1999
By means of a spherical Earth model with Maxwell rheology, an analysis of the postseismic deformation field due to the viscoelastic relaxation of the mantle and asthenosphere following the great 1960 Chile earthquake is performed. Due to the exceptional energy release of that earthquake, geomorphological evidences of postseismic deformation are ...
openaire   +1 more source

Coseismic and Early Postseismic Deformation Mechanism Following the 2021 Mw 7.4 Maduo Earthquake: Insights from Satellite Radar Interferometry and GPS

open access: yesRemote Sensing
Exploring the deformation mechanism of the 2021 Mw 7.4 Maduo Earthquake is crucial for better understanding the seismic hazard of the faults with low strain rates inside the Bayan Har block.
Chuanzeng Shu   +6 more
doaj   +1 more source

Poroelastic effects associated with earthquakes on overpressured reverse and normal faults

open access: yesFrontiers in Earth Science
Earthquakes in fluid-saturated rocks induce sudden changes in pore-pressures that can lead to appreciable postseismic deformation. However, earthquakes can also release fluids from overpressured parts of the crust, which can also contribute to additional
Valentin Marguin, Guy Simpson
doaj   +1 more source

A hybrid spectral and finite element method for coseismic and postseismic deformation

open access: yesPhysics of the Earth and Planetary Interiors, 2007
Abstract We investigate the elastic and viscoelastic responses of the Earth to a sudden slip along a fault. Firstly, equations describing the Earth’s infinitesimal deformations for elastic and viscoelastic rheological models are introduced within the weak formulation and the theorems of existence and uniqueness of solutions are demonstrated.
Pergler, Tomáš, Matyska, Ctirad
openaire   +2 more sources

Coseismic and Postseismic Slip Analysis of the 2024 Mw 7.0 Wushi Earthquake: Insights From InSAR Observations and Slip Inversion

open access: yesIEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Analysis of fault slip behavior is crucial for assessing regional seismic hazards. This study employs Sentinel-1 SAR data to investigate the coseismic and postseismic deformation associated with the 2024 Mw 7.0 Wushi earthquake using Interferometric ...
Jianlong Chen   +3 more
doaj   +1 more source

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