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Journal Article

MoPaD —Moment Tensor Plotting and Decomposition: A Tool for Graphical and Numerical Analysis of Seismic Moment Tensors

Lars Krieger, Sebastian Heimann
Published: 01 May 2012
Seismological Research Letters (2012) 83 (3): 589–595.
DOI: https://doi.org/10.1785/gssrl.83.3.589
... with psmeca . We present the free platform-independent command line tool MoPaD , written in the Python programming language that allows one to generate, plot, and save scale- and case-independent focal spheres in a variety of standard graphic formats. The tool allows the use of GMT for plotting focal...
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Includes: Supplemental Content
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Inversion of full moment tensor for the scenario single‐force event using g...

Inversion of full moment tensor for the scenario single‐force event using g...

Published: 01 April 2020
dipole (CLVD) components with circle size indicating relative magnitude using the MoPaD tool ( Lars and Sebastian, 2012 ). The color version of this figure is available only in the electronic edition.
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Initial time-dependent moment tensor M and stress tensor with recei...

Initial time-dependent moment tensor M and stress tensor with recei...

Published: 23 February 2021
. The full moment tensor is used for plotting the focal mechanism solution for the explosion and arbitrary source type, and the DC part of the moment tensor is used for plotting the strike-slip and dip-slip source types. Focal mechanism plots were created with the MoPad tool ( Krieger and Heimann, 2012 ).
Journal Article

Source Mechanism Study of Local Earthquakes in Kuwait

Chen Gu, Farah Al‐Jeri, Abdullah Al‐Enezi, Oral Büyüköztürk, M. Nafi Toksöz
Published: 23 August 2017
Seismological Research Letters (2017) 88 (6): 1465–1471.
DOI: https://doi.org/10.1785/0220170031
... ), and MoPaD tool for moment tensor plotting and decomposition from Lars Krieger and Sebastian Heimann ( http://www.larskrieger.de/mopad/ ; Krieger and Heimann, 2012 ) were used in plotting part of the figures. All the websites were last accessed on August 2017. This project was sponsored by the Kuwait...
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Journal Article

Inversion of Source Mechanisms for Single‐Force Events Using Broadband Waveforms

Minhan Sheng, Risheng Chu, Yong Wang, Qingdong Wang
Published: 01 April 2020
Seismological Research Letters (2020) 91 (3): 1820–1830.
DOI: https://doi.org/10.1785/0220190349
... dipole (CLVD) components with circle size indicating relative magnitude using the MoPaD tool ( Lars and Sebastian, 2012 ). The color version of this figure is available only in the electronic edition. ...
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Journal Article

The 8 October 2011 Earthquake at El Hierro ( M w 4.0): Focal Mechanisms of the Mainshock and Its Foreshocks

Carmen del Fresno, Itahiza Domínguez Cerdeña, Simone Cesca, Elisa Buforn
Published: 09 December 2014
Bulletin of the Seismological Society of America (2015) 105 (1): 330–340.
DOI: https://doi.org/10.1785/0120140151
... Network (IGN) and the Volcano Monitoring Group (IGN) and are currently not available to the public. Figures of this contribution have been plotted with Generic Mapping Tools version 4.2.1 ( http://gmt.soest.hawaii.edu ; Wessel and Smith, 1998 ) and MoPaD ( Krieger and Heimann, 2012 ). Data analysis...
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Journal Article

Determination of the time-dependent moment tensor using time reverse imaging

Claudia Finger, Erik H. Saenger
Journal: Geophysics
Published: 23 February 2021
Geophysics (2021) 86 (2): KS63–KS77.
DOI: https://doi.org/10.1190/geo2020-0348.1
.... The full moment tensor is used for plotting the focal mechanism solution for the explosion and arbitrary source type, and the DC part of the moment tensor is used for plotting the strike-slip and dip-slip source types. Focal mechanism plots were created with the MoPad tool ( Krieger and Heimann, 2012 ). ...
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Journal Article

Source Properties of the 29 January 2011 M L 4.5 Oroszlány (Hungary) Mainshock and Its Aftershocks

Zoltán Wéber, Bálint Süle
Published: 21 January 2014
Bulletin of the Seismological Society of America (2014) 104 (1): 113–127.
DOI: https://doi.org/10.1785/0120130152
... in the MoPaD tool ( Krieger and Heimann, 2012 ) and slightly differ from those given in Vavryčuk (2005) . The ISO and CLVD components are called the non‐ DC components of M . Because of errors and incompatibilities in the observed seismograms, as well as the incomplete knowledge of the velocity...
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Journal Article

Deviatoric Moment Tensor Solutions from Spectral Amplitudes in Surface Network Recordings: Case Study in São Caetano, Pernambuco, Brazil

Sérgio Luiz E. F. da Silva, Jordi Julià, F. Hilário R. Bezerra
Published: 14 March 2017
Bulletin of the Seismological Society of America (2017) 107 (3): 1495–1511.
DOI: https://doi.org/10.1785/0120160160
... and fault angles were obtained through the moment tensor plotting and decomposition (MoPaD) tool of Krieger and Heimann (2012) . Moment tensor inversion codes were developed by J. Julià. We thank Karen Assatourians, an anonymous reviewer, and Associate Editor Cezar Trifu for the time and effort...
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