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A 2-D hybrid technique to model the effect of topography on coseismic displacements. Application to the Umbria-Marche (central Italy) 1997 earthquake sequence

Stefano Tinti and Alberto Armigliato.

in Geophysical Journal International

August 2002; p ublished online August 2002 .

Journal Article. Subjects: Geophysics. 7499 words.

Summary

We face the problem of modelling the influence of the irregular topography of the Earth's crust on coseismic displacements. The modelling technique...

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A 2-D spectral-element method for computing spherical-earth seismograms—II. Waves in solid–fluid media

Tarje Nissen-Meyer, Alexandre Fournier and F. A. Dahlen.

in Geophysical Journal International

September 2008; p ublished online September 2008 .

Journal Article. Subjects: Geophysics. 9643 words.

Summary

We portray a dedicated spectral-element method to solve the elastodynamic wave equation upon spherically symmetric earth models at the expense of a...

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A 2-D velocity model of the Vrancea region in Romania: prediction of teleseismic waveforms

J. Perrot, A. Deschamps, V. Farra and J. Virieux.

in Geophysical Journal International

May 1996; p ublished online May 1996 .

Journal Article. Subjects: Geophysics. 0 words.

Summary

In previous studies, anomalies in arrival time and amplitudes of depth phases pP and sP recorded at teleseismic distances and produced by large...

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A 3-D conductivity model of the Australian continent using observatory and magnetometer array data

Liejun Wang, Adrian P. Hitchman, Yasuo Ogawa, Weerachai Siripunvaraporn, Masahiro Ichiki and Kiyoshi Fuji-ta.

in Geophysical Journal International

P ublished online June 2014 .

Journal Article. Subjects: Geology and the Lithosphere. 8477 words.

An exploratory 3-D model of the electrical conductivity structure of the Australian continent is presented. The model is derived from the inversion of vertical magnetic-field transfer...

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A 3-D density model of Greece constrained by gravity and seismic data

Jannis Makris, Joanna Papoulia and Tamara Yegorova.

in Geophysical Journal International

July 2013; p ublished online April 2013 .

Journal Article. Subjects: Geophysics. 7391 words.

A 3-D density model of Greece was developed by gravity modelling constrained by 2-D seismic profiles. Densities were defined from seismic velocities using the Nafe & Drake and Birch...

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A 3-D enlarged cell technique (ECT) for elastic wave modelling of a curved free surface

Songlin Wei, Jianyang Zhou, Mingwei Zhuang and Qing Huo Liu.

in Geophysical Journal International

P ublished online July 2016 .

Journal Article. Subjects: Volcanology and Seismology. 7215 words.

The conventional finite-difference time-domain (FDTD) method for elastic waves suffers from the staircasing error when applied to model a curved free surface because of its structured grid....

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A 3-D finite-element algorithm for DC resistivity modelling using the shifted incomplete Cholesky conjugate gradient method

Xiaoping Wu.

in Geophysical Journal International

September 2003; p ublished online September 2003 .

Journal Article. Subjects: Geophysics. 5366 words.

Summary

An accurate and efficient 3-D finite-element (FE) forward algorithm for DC resistivity modelling is developed. First, the total potential is...

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A 3-D gravity model for a volcanic crater in Terceira Island (Azores)

F. G. Montesinos, A. G. Camacho, J. C. Nunes, C. S. Oliveira and R. Vieira.

in Geophysical Journal International

August 2003; p ublished online August 2003 .

Journal Article. Subjects: Geophysics. 10164 words.

Summary

The seismic response of the São Sebastião volcanic crater, located at the SE end of Terceira Island (Azores), is characterized by an amplification of...

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A 3-D hybrid finite-difference—finite-element viscoelastic modelling of seismic wave motion

Martin Galis, Peter Moczo and J. Kristek.

in Geophysical Journal International

October 2008; p ublished online October 2008 .

Journal Article. Subjects: Geophysics. 11348 words.

Summary

We have developed a new hybrid numerical method for 3-D viscoelastic modelling of seismic wave propagation and earthquake motion in heterogeneous...

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A 3-D morphometric analysis of erosional features in a contourite drift from offshore SE Brazil

Tiago M. Alves.

in Geophysical Journal International

December 2010; p ublished online December 2010 .

Journal Article. Subjects: Geophysics. 7291 words.

Summary

A contourite drift from offshore Brazil is mapped in detail and investigated using state-of-the-art 3-D seismic data. The aim was to review the...

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