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Articles | Volume 17, issue 5
Articles | Volume 17, issue 5
https://doi.org/10.5194/se-17-763-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/se-17-763-2026
© Author(s) 2026. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 17, issue 5
Research article
 | 
21 May 2026
Research article |  | 21 May 2026

Distributed right-lateral strain at the northern boundary of the Quito-Latacunga microblock

Nicolas Harrichhausen, Léo Marconato, Laurence Audin, Pierre Lacan, Stéphane Baize, Hervé Jomard, Alexandra Alvarado, James Hollingsworth, Pierre-Henri Blard, Patricia Ann Mothes, Frédérique Rolandone, and Iván Dario Ortiz Martin

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Latest update: 14 Nov 2026
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Short summary
Tectonic plates can be broken into smaller blocks with deformation concentrated at their boundaries. We use remote sensing and field studies to investigate how faulting accommodates deformation at the northern boundary of the Quito-Latacunga microblock (Ecuador & Colombia). We show this boundary is a wide zone characterized by several parallel faults capable of hosting moderate to large (<M7) earthquakes, such as the one in 2022, and which may be influenced by nearby volcanism.
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