Articles | Volume 17, issue 5
https://doi.org/10.5194/se-17-763-2026
https://doi.org/10.5194/se-17-763-2026
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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Interactive discussion

Status: closed

Comment types: AC – author | RC – referee | CC – community | EC – editor | CEC – chief editor | : Report abuse

Peer review completion

AR – Author's response | RR – Referee report | ED – Editor decision | EF – Editorial file upload
AR by Nicolas Harrichhausen on behalf of the Authors (03 Feb 2026)  Author's response   Author's tracked changes   Manuscript 
ED: Referee Nomination & Report Request started (05 Feb 2026) by Christoph von Hagke
RR by Anonymous Referee #2 (11 Mar 2026)
ED: Publish subject to minor revisions (review by editor) (12 Mar 2026) by Christoph von Hagke
AR by Nicolas Harrichhausen on behalf of the Authors (27 Mar 2026)  Author's response   Author's tracked changes   Manuscript 
ED: Publish subject to technical corrections (27 Mar 2026) by Christoph von Hagke
ED: Publish subject to technical corrections (03 Apr 2026) by Florian Fusseis (Executive editor)
AR by Nicolas Harrichhausen on behalf of the Authors (08 Apr 2026)  Manuscript 

Post-review adjustments

AA – Author's adjustment | EA – Editor approval
AA by Nicolas Harrichhausen on behalf of the Authors (23 Apr 2026)   Author's adjustment   Manuscript
EA: Adjustments approved (23 Apr 2026) by Christoph von Hagke
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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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