Matrix Approach of Seismic Imaging: Application to the Erebus Volcano, Antarctica
International audience Multiple scattering of seismic waves is often seen as a nightmare for conventional migration techniques that generally rely on a ballistic or a single-scattering assumption. In heterogeneous areas such as volcanoes, the multiple-scattering contribution limits the imaging-depth...
Published in: | Journal of Geophysical Research: Solid Earth |
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Main Authors: | , , , , |
Other Authors: | , , , , , , |
Format: | Article in Journal/Newspaper |
Language: | English |
Published: |
HAL CCSD
2018
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Subjects: | |
Online Access: | https://hal.univ-grenoble-alpes.fr/hal-02927919 https://hal.univ-grenoble-alpes.fr/hal-02927919/document https://hal.univ-grenoble-alpes.fr/hal-02927919/file/1.%20JGR%20Solid%20Earth%20%7C%20Matrix%20Approach%20of%20Seismic%20Imaging%3A%20Application%20to%20the%20Erebus%20Volcano,%20Antarctica.%20Journal%20of%20Geophysical%20Research%3A%20Solid%20Earth%20%7C%2010.1029%3A2018JB016361.pdf https://doi.org/10.1029/2018jb016361 |
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Open Polar |
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ESPCI ParisTech: HAL (Ecole Supérieure de Physique et Chimie Industrielles) |
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English |
topic |
[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology |
spellingShingle |
[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology Blondel, Thibaud Chaput, Julien Derode, Arnaud Campillo, Michel Aubry, Alexandre Matrix Approach of Seismic Imaging: Application to the Erebus Volcano, Antarctica |
topic_facet |
[SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology |
description |
International audience Multiple scattering of seismic waves is often seen as a nightmare for conventional migration techniques that generally rely on a ballistic or a single-scattering assumption. In heterogeneous areas such as volcanoes, the multiple-scattering contribution limits the imaging-depth to one scattering mean free path, the mean distance between two successive scattering events for body waves. In this Letter, we propose a matrix approach of passive seismic imaging that pushes back this fundamental limit by making an efficient use of scattered body waves drowned into a noisy seismic coda. As a proof of concept, the case of the Erebus volcano in Antarctica is considered. The Green's functions between a set of geophones placed on top of the volcano are first retrieved by the cross correlation of coda waves induced by multiple icequakes. This set of impulse responses forms a reflection matrix. By combining a matrix discrimination of singly scattered waves with iterative time reversal, we are able to push back the multiple scattering limit beyond 10 scattering mean free paths. The matrix approach reveals the internal structure of the Erebus volcano: A chimney-shaped structure at shallow depths, a magma reservoir at 2,500 m and several cavities at sea level and below it. The matrix approach paves the way toward a greatly improved monitoring of volcanic structures at depth. Beyond this specific case, the matrix approach of seismic imaging can generally be applied to all scales and areas where multiple scattering events undergone by body waves prevent in-depth imaging of the Earth's crust. |
author2 |
Institut Langevin - Ondes et Images (UMR7587) (IL) Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) University of Texas El Paso (UTEP ) Institut des Sciences de la Terre (ISTerre) Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)-Institut national des sciences de l'Univers (INSU - CNRS)-Institut de recherche pour le développement IRD : UR219-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 ) ANR-10-IDEX-0001,PSL,Paris Sciences et Lettres(2010) |
format |
Article in Journal/Newspaper |
author |
Blondel, Thibaud Chaput, Julien Derode, Arnaud Campillo, Michel Aubry, Alexandre |
author_facet |
Blondel, Thibaud Chaput, Julien Derode, Arnaud Campillo, Michel Aubry, Alexandre |
author_sort |
Blondel, Thibaud |
title |
Matrix Approach of Seismic Imaging: Application to the Erebus Volcano, Antarctica |
title_short |
Matrix Approach of Seismic Imaging: Application to the Erebus Volcano, Antarctica |
title_full |
Matrix Approach of Seismic Imaging: Application to the Erebus Volcano, Antarctica |
title_fullStr |
Matrix Approach of Seismic Imaging: Application to the Erebus Volcano, Antarctica |
title_full_unstemmed |
Matrix Approach of Seismic Imaging: Application to the Erebus Volcano, Antarctica |
title_sort |
matrix approach of seismic imaging: application to the erebus volcano, antarctica |
publisher |
HAL CCSD |
publishDate |
2018 |
url |
https://hal.univ-grenoble-alpes.fr/hal-02927919 https://hal.univ-grenoble-alpes.fr/hal-02927919/document https://hal.univ-grenoble-alpes.fr/hal-02927919/file/1.%20JGR%20Solid%20Earth%20%7C%20Matrix%20Approach%20of%20Seismic%20Imaging%3A%20Application%20to%20the%20Erebus%20Volcano,%20Antarctica.%20Journal%20of%20Geophysical%20Research%3A%20Solid%20Earth%20%7C%2010.1029%3A2018JB016361.pdf https://doi.org/10.1029/2018jb016361 |
genre |
Antarc* Antarctica |
genre_facet |
Antarc* Antarctica |
op_source |
ISSN: 2169-9313 EISSN: 2169-9356 Journal of Geophysical Research : Solid Earth https://hal.univ-grenoble-alpes.fr/hal-02927919 Journal of Geophysical Research : Solid Earth, 2018, 123 (12), pp.10,936-10,950. ⟨10.1029/2018jb016361⟩ |
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info:eu-repo/semantics/altIdentifier/doi/10.1029/2018jb016361 hal-02927919 https://hal.univ-grenoble-alpes.fr/hal-02927919 https://hal.univ-grenoble-alpes.fr/hal-02927919/document https://hal.univ-grenoble-alpes.fr/hal-02927919/file/1.%20JGR%20Solid%20Earth%20%7C%20Matrix%20Approach%20of%20Seismic%20Imaging%3A%20Application%20to%20the%20Erebus%20Volcano,%20Antarctica.%20Journal%20of%20Geophysical%20Research%3A%20Solid%20Earth%20%7C%2010.1029%3A2018JB016361.pdf doi:10.1029/2018jb016361 |
op_rights |
info:eu-repo/semantics/OpenAccess |
op_doi |
https://doi.org/10.1029/2018jb016361 |
container_title |
Journal of Geophysical Research: Solid Earth |
container_volume |
123 |
container_issue |
12 |
container_start_page |
10,936 |
op_container_end_page |
10,950 |
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1802651558619381760 |
spelling |
ftespciparistech:oai:HAL:hal-02927919v1 2024-06-23T07:47:27+00:00 Matrix Approach of Seismic Imaging: Application to the Erebus Volcano, Antarctica Blondel, Thibaud Chaput, Julien Derode, Arnaud Campillo, Michel Aubry, Alexandre Institut Langevin - Ondes et Images (UMR7587) (IL) Ecole Superieure de Physique et de Chimie Industrielles de la Ville de Paris (ESPCI Paris) Université Paris Sciences et Lettres (PSL)-Université Paris Sciences et Lettres (PSL)-Sorbonne Université (SU)-Centre National de la Recherche Scientifique (CNRS) University of Texas El Paso (UTEP ) Institut des Sciences de la Terre (ISTerre) Institut Français des Sciences et Technologies des Transports, de l'Aménagement et des Réseaux (IFSTTAR)-Institut national des sciences de l'Univers (INSU - CNRS)-Institut de recherche pour le développement IRD : UR219-Université Savoie Mont Blanc (USMB Université de Savoie Université de Chambéry )-Centre National de la Recherche Scientifique (CNRS)-Université Grenoble Alpes 2016-2019 (UGA 2016-2019 ) ANR-10-IDEX-0001,PSL,Paris Sciences et Lettres(2010) 2018 https://hal.univ-grenoble-alpes.fr/hal-02927919 https://hal.univ-grenoble-alpes.fr/hal-02927919/document https://hal.univ-grenoble-alpes.fr/hal-02927919/file/1.%20JGR%20Solid%20Earth%20%7C%20Matrix%20Approach%20of%20Seismic%20Imaging%3A%20Application%20to%20the%20Erebus%20Volcano,%20Antarctica.%20Journal%20of%20Geophysical%20Research%3A%20Solid%20Earth%20%7C%2010.1029%3A2018JB016361.pdf https://doi.org/10.1029/2018jb016361 en eng HAL CCSD American Geophysical Union info:eu-repo/semantics/altIdentifier/doi/10.1029/2018jb016361 hal-02927919 https://hal.univ-grenoble-alpes.fr/hal-02927919 https://hal.univ-grenoble-alpes.fr/hal-02927919/document https://hal.univ-grenoble-alpes.fr/hal-02927919/file/1.%20JGR%20Solid%20Earth%20%7C%20Matrix%20Approach%20of%20Seismic%20Imaging%3A%20Application%20to%20the%20Erebus%20Volcano,%20Antarctica.%20Journal%20of%20Geophysical%20Research%3A%20Solid%20Earth%20%7C%2010.1029%3A2018JB016361.pdf doi:10.1029/2018jb016361 info:eu-repo/semantics/OpenAccess ISSN: 2169-9313 EISSN: 2169-9356 Journal of Geophysical Research : Solid Earth https://hal.univ-grenoble-alpes.fr/hal-02927919 Journal of Geophysical Research : Solid Earth, 2018, 123 (12), pp.10,936-10,950. ⟨10.1029/2018jb016361⟩ [SDU.STU.GP]Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph] [SDU.STU.VO]Sciences of the Universe [physics]/Earth Sciences/Volcanology info:eu-repo/semantics/article Journal articles 2018 ftespciparistech https://doi.org/10.1029/2018jb016361 2024-06-11T14:09:06Z International audience Multiple scattering of seismic waves is often seen as a nightmare for conventional migration techniques that generally rely on a ballistic or a single-scattering assumption. In heterogeneous areas such as volcanoes, the multiple-scattering contribution limits the imaging-depth to one scattering mean free path, the mean distance between two successive scattering events for body waves. In this Letter, we propose a matrix approach of passive seismic imaging that pushes back this fundamental limit by making an efficient use of scattered body waves drowned into a noisy seismic coda. As a proof of concept, the case of the Erebus volcano in Antarctica is considered. The Green's functions between a set of geophones placed on top of the volcano are first retrieved by the cross correlation of coda waves induced by multiple icequakes. This set of impulse responses forms a reflection matrix. By combining a matrix discrimination of singly scattered waves with iterative time reversal, we are able to push back the multiple scattering limit beyond 10 scattering mean free paths. The matrix approach reveals the internal structure of the Erebus volcano: A chimney-shaped structure at shallow depths, a magma reservoir at 2,500 m and several cavities at sea level and below it. The matrix approach paves the way toward a greatly improved monitoring of volcanic structures at depth. Beyond this specific case, the matrix approach of seismic imaging can generally be applied to all scales and areas where multiple scattering events undergone by body waves prevent in-depth imaging of the Earth's crust. Article in Journal/Newspaper Antarc* Antarctica ESPCI ParisTech: HAL (Ecole Supérieure de Physique et Chimie Industrielles) Journal of Geophysical Research: Solid Earth 123 12 10,936 10,950 |