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Lithospheric delamination as the driving mechanism of intermediate-depth seismicity in the Bucaramanga Nest, Colombia. / Pérez-Forero, Diego; Koulakov, Ivan; Vargas, Carlos A et al.

In: Scientific Reports, Vol. 13, No. 1, 23084, 12.2023.

Research output: Contribution to journal › Article › peer-review

Harvard

Pérez-Forero, D, Koulakov, I, Vargas, CA, Gerya, T & Al Arifi, N 2023, 'Lithospheric delamination as the driving mechanism of intermediate-depth seismicity in the Bucaramanga Nest, Colombia', Scientific Reports, vol. 13, no. 1, 23084. https://doi.org/10.1038/s41598-023-50159-4

APA

Pérez-Forero, D., Koulakov, I., Vargas, C. A., Gerya, T., & Al Arifi, N. (2023). Lithospheric delamination as the driving mechanism of intermediate-depth seismicity in the Bucaramanga Nest, Colombia. Scientific Reports, 13(1), [23084]. https://doi.org/10.1038/s41598-023-50159-4

Vancouver

Pérez-Forero D, Koulakov I, Vargas CA, Gerya T, Al Arifi N. Lithospheric delamination as the driving mechanism of intermediate-depth seismicity in the Bucaramanga Nest, Colombia. Scientific Reports. 2023 Dec;13(1):23084. doi: 10.1038/s41598-023-50159-4

Author

Pérez-Forero, Diego ; Koulakov, Ivan ; Vargas, Carlos A et al. / Lithospheric delamination as the driving mechanism of intermediate-depth seismicity in the Bucaramanga Nest, Colombia. In: Scientific Reports. 2023 ; Vol. 13, No. 1.

BibTeX

@article{27d7923902834c86aec8b6d571f92d0b,
title = "Lithospheric delamination as the driving mechanism of intermediate-depth seismicity in the Bucaramanga Nest, Colombia",
abstract = "The Bucaramanga nest (BN) is an area of exceptionally strong intermediate-depth seismicity localized in a narrow zone at 150-170 km depth beneath the continental plate in Colombia. To explain the very unusual mantle seismicity cluster in this area, we built a seismic velocity model in the vicinity of BN with the use of local earthquake tomography and developed a numerical hydromechanical model. Our seismic model shows a strong high-velocity anomaly at 130-167 km coinciding with the BN seismicity. The relocated seismicity can be separated in two clusters. We propose that the upper BN cluster at ~ 130 km depth is attributed to dehydration embrittlement, whereas the lower BN cluster at ~ 150 km depth coinciding with the high-velocity body is caused by lithospheric delamination, creating a {"}drip{"} that falls down over the subducting oceanic plate, enhancing fluid release from the slab, potentially increasing seismicity.",
author = "Diego P{\'e}rez-Forero and Ivan Koulakov and Vargas, {Carlos A} and Taras Gerya and {Al Arifi}, Nassir",
note = "The authors thank the Deanship of Scientific Research, King Saud University for funding through Vice Deanship of Scientific Research Chairs. IK is supported by the RSF grant #20-17-00075. TG is supported by SNF Research Grant 200021_192296 and by ILP Task Force “Bio-geodynamics of the Lithosphere”. {\textcopyright} 2023. The Author(s).",
year = "2023",
month = dec,
doi = "10.1038/s41598-023-50159-4",
language = "English",
volume = "13",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Nature Publishing Group",
number = "1",

}

RIS

TY - JOUR

T1 - Lithospheric delamination as the driving mechanism of intermediate-depth seismicity in the Bucaramanga Nest, Colombia

AU - Pérez-Forero, Diego

AU - Koulakov, Ivan

AU - Vargas, Carlos A

AU - Gerya, Taras

AU - Al Arifi, Nassir

N1 - The authors thank the Deanship of Scientific Research, King Saud University for funding through Vice Deanship of Scientific Research Chairs. IK is supported by the RSF grant #20-17-00075. TG is supported by SNF Research Grant 200021_192296 and by ILP Task Force “Bio-geodynamics of the Lithosphere”. © 2023. The Author(s).

PY - 2023/12

Y1 - 2023/12

N2 - The Bucaramanga nest (BN) is an area of exceptionally strong intermediate-depth seismicity localized in a narrow zone at 150-170 km depth beneath the continental plate in Colombia. To explain the very unusual mantle seismicity cluster in this area, we built a seismic velocity model in the vicinity of BN with the use of local earthquake tomography and developed a numerical hydromechanical model. Our seismic model shows a strong high-velocity anomaly at 130-167 km coinciding with the BN seismicity. The relocated seismicity can be separated in two clusters. We propose that the upper BN cluster at ~ 130 km depth is attributed to dehydration embrittlement, whereas the lower BN cluster at ~ 150 km depth coinciding with the high-velocity body is caused by lithospheric delamination, creating a "drip" that falls down over the subducting oceanic plate, enhancing fluid release from the slab, potentially increasing seismicity.

AB - The Bucaramanga nest (BN) is an area of exceptionally strong intermediate-depth seismicity localized in a narrow zone at 150-170 km depth beneath the continental plate in Colombia. To explain the very unusual mantle seismicity cluster in this area, we built a seismic velocity model in the vicinity of BN with the use of local earthquake tomography and developed a numerical hydromechanical model. Our seismic model shows a strong high-velocity anomaly at 130-167 km coinciding with the BN seismicity. The relocated seismicity can be separated in two clusters. We propose that the upper BN cluster at ~ 130 km depth is attributed to dehydration embrittlement, whereas the lower BN cluster at ~ 150 km depth coinciding with the high-velocity body is caused by lithospheric delamination, creating a "drip" that falls down over the subducting oceanic plate, enhancing fluid release from the slab, potentially increasing seismicity.

UR - https://www.scopus.com/record/display.uri?eid=2-s2.0-85180637697&origin=inward&txGid=0ae23b999e0644730318dd73080393b2

U2 - 10.1038/s41598-023-50159-4

DO - 10.1038/s41598-023-50159-4

M3 - Article

C2 - 38155214

VL - 13

JO - Scientific Reports

JF - Scientific Reports

SN - 2045-2322

IS - 1

M1 - 23084

ER -

ID: 59533345