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Articles | Volume 17, issue 5
Articles | Volume 17, issue 5
https://doi.org/10.5194/se-17-711-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-17-711-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 5
Research article
 | 
12 May 2026
Research article |  | 12 May 2026

Deciphering the crustal structure of the Lerma Valley (NW Argentina): a multi-method seismic investigation

Emilio J. M. Criado-Sutti, Andrés Olivar-Castaño, Frank Krüger, Carolina Montero-López, Germán Aranda-Viana, Martin Zeckra, and Sebastian Heimann

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Short summary
We studied the deep structure beneath the Lerma Valley in northwestern Argentina to better understand how the Earth's crust behaves in this active but little-studied region of the Andes. Using data from local and teleseismic earthquakes, we mapped layers within the crust and found major contrasts between the northern and southern areas. Our results shed new light on how this region formed and evolved, offering important insights into earthquake risks and mountain-building processes.
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