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Adv."],"published-print":{"date-parts":[[2026,9,4]]},"abstract":"<jats:p>\n                    Crustal faults across geological settings are often enriched in phyllosilicates because of the hydrothermal alteration of wall rocks. The frictional behavior of these altered rocks at mid-crustal conditions remains poorly understood. Here, we show that mica-schist gouge under crustal hydrothermal conditions can host mixed behavior promoting shallow aseismic creep and confined seismic ruptures. We conduct triaxial deformation experiments on natural samples from the East Anatolian Fault, Turkey, and simulate the resulting dynamics on the P\u00fct\u00fcrge segment during seismic cycles using a physical model of rock friction and a realistic thermal structure. Mica schist exhibits potentially unstable weakening between 300\u00b0 and 400\u00b0C, promoting depth-confined earthquakes. The frictional properties of mica schist are compatible with the 2020 moment magnitude (\n                    <jats:italic toggle=\"yes\">M<\/jats:italic>\n                    <jats:sub>w<\/jats:sub>\n                    ) 6.8 Elaz\u0131\u011f earthquake and the northern rupture arrest of the 2023\n                    <jats:italic toggle=\"yes\">M<\/jats:italic>\n                    <jats:sub>w<\/jats:sub>\n                    7.8 Kahramanmara\u015f event, illustrating how the thermal and lithological structure affects rupture style and segmentation.\n                  <\/jats:p>","DOI":"10.1126\/sciadv.aef6076","type":"journal-article","created":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T17:59:26Z","timestamp":1788371966000},"update-policy":"https:\/\/doi.org\/10.34133\/aaas_crossmark","source":"Crossref","is-referenced-by-count":0,"title":["Shallow creep and confined ruptures in frictionally unstable mica schist"],"prefix":"10.1126","volume":"12","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-6355-5244","authenticated-orcid":true,"given":"Sezim E.","family":"G\u00fcvercin","sequence":"first","affiliation":[{"name":"Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-4257-7409","authenticated-orcid":true,"given":"Sylvain","family":"Barbot","sequence":"additional","affiliation":[{"name":"Department of Earth Sciences, University of Southern California, Los Angeles, CA 90089, USA."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3944-5691","authenticated-orcid":true,"given":"Lei","family":"Zhang","sequence":"additional","affiliation":[{"name":"Institute of Geology, China Earthquake Administration, Beijing 100017, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-5149-3931","authenticated-orcid":true,"given":"Mehmet","family":"K\u00f6k\u00fcm","sequence":"additional","affiliation":[{"name":"Department of Geological Engineering, F\u0131rat University, 23119 Elaz\u0131\u011f, Turkey."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9043-0765","authenticated-orcid":true,"given":"Zekang","family":"Yang","sequence":"additional","affiliation":[{"name":"Institute of Geology, China Earthquake Administration, Beijing 100017, China."}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0814-0422","authenticated-orcid":true,"given":"Cengiz","family":"Zabc\u0131","sequence":"additional","affiliation":[{"name":"Istanbul Technical University, T. \u0130\u015f Bankas\u0131 Marmara Aktif Fay Tehlike ve Risk Uygulama ve Ara\u015ft\u0131rma Merkezi, 34467 \u0130stanbul, Turkey."},{"name":"Istanbul Technical University, Department of Geological Engineering, 34467 \u0130stanbul, Turkey."}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"221","reference":[{"key":"e_1_3_2_2_2","doi-asserted-by":"publisher","DOI":"10.1029\/94JB02622"},{"key":"e_1_3_2_3_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0040-1951(03)00134-3"},{"key":"e_1_3_2_4_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.jsg.2012.05.004"},{"key":"e_1_3_2_5_2","doi-asserted-by":"publisher","DOI":"10.1016\/S0012-821X(03)00424-2"},{"key":"e_1_3_2_6_2","doi-asserted-by":"publisher","DOI":"10.1038\/nature06064"},{"key":"e_1_3_2_7_2","doi-asserted-by":"publisher","DOI":"10.1038\/ngeo1089"},{"key":"e_1_3_2_8_2","doi-asserted-by":"publisher","DOI":"10.1002\/2017GL073055"},{"key":"e_1_3_2_9_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tecto.2023.229845"},{"key":"e_1_3_2_10_2","doi-asserted-by":"publisher","DOI":"10.1029\/2020JB019487"},{"key":"e_1_3_2_11_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tecto.2021.228811"},{"key":"e_1_3_2_12_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tecto.2024.230528"},{"key":"e_1_3_2_13_2","doi-asserted-by":"publisher","DOI":"10.1029\/97JB00995"},{"key":"e_1_3_2_14_2","doi-asserted-by":"publisher","DOI":"10.1002\/2014GL062735"},{"key":"e_1_3_2_15_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tecto.2018.05.003"},{"key":"e_1_3_2_16_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tecto.2020.228377"},{"key":"e_1_3_2_17_2","doi-asserted-by":"publisher","DOI":"10.1029\/2023EA003492"},{"key":"e_1_3_2_18_2","doi-asserted-by":"publisher","DOI":"10.1002\/2015JB012593"},{"key":"e_1_3_2_19_2","doi-asserted-by":"publisher","DOI":"10.1002\/2015JB012489"},{"key":"e_1_3_2_20_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.epsl.2019.115967"},{"key":"e_1_3_2_21_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.epsl.2025.119573"},{"key":"e_1_3_2_22_2","doi-asserted-by":"publisher","DOI":"10.1038\/s41467-026-70315-4"},{"key":"e_1_3_2_23_2","doi-asserted-by":"publisher","DOI":"10.1130\/0016-7606(1979)90<84:AASRCM>2.0.CO;2"},{"key":"e_1_3_2_24_2","doi-asserted-by":"publisher","DOI":"10.1144\/gsjgs.136.3.0269"},{"key":"e_1_3_2_25_2","doi-asserted-by":"publisher","DOI":"10.1029\/1999JB900351"},{"key":"e_1_3_2_26_2","doi-asserted-by":"publisher","DOI":"10.1029\/2005JB004051"},{"key":"e_1_3_2_27_2","doi-asserted-by":"publisher","DOI":"10.1144\/SP372.14"},{"key":"e_1_3_2_28_2","doi-asserted-by":"publisher","DOI":"10.1130\/GES01637.1"},{"key":"e_1_3_2_29_2","doi-asserted-by":"publisher","DOI":"10.1130\/0016-7606(1985)96<233:SADHOT>2.0.CO;2"},{"key":"e_1_3_2_30_2","doi-asserted-by":"publisher","DOI":"10.1016\/0040-1951(81)90275-4"},{"key":"e_1_3_2_31_2","unstructured":"E. 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Do\u011fan \u201cAfterslip and triggered slip following the 6 Feb 2023 Kahramanmara\u015f Earthquake\u201d in Recent Research on Sedimentology Stratigraphy Paleontology Tectonics Geochemistry Volcanology and Petroleum Geology: Proceedings of the 3rd MedGU Istanbul 2023 (Spinger Cham 2025) pp. 447\u2013450.","DOI":"10.1007\/978-3-031-87558-8_84"},{"key":"e_1_3_2_62_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tecto.2006.05.023"},{"key":"e_1_3_2_63_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.tecto.2019.05.004"},{"key":"e_1_3_2_64_2","doi-asserted-by":"publisher","DOI":"10.1029\/2022JB025106"},{"key":"e_1_3_2_65_2","doi-asserted-by":"publisher","DOI":"10.1029\/2023AV000972"},{"key":"e_1_3_2_66_2","doi-asserted-by":"publisher","DOI":"10.1029\/2023GC011279"},{"key":"e_1_3_2_67_2","doi-asserted-by":"publisher","DOI":"10.1073\/pnas.2405111121"},{"key":"e_1_3_2_68_2","doi-asserted-by":"crossref","unstructured":"S. Barbot Does the direct effect of friction increase continuously with absolute temperature? 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Guvercin Shallow creep and confined ruptures in frictionally unstable mica schist Zenodo (2026); https:\/\/doi.org\/10.5281\/zenodo.19617042."}],"container-title":["Science Advances"],"original-title":[],"language":"en","link":[{"URL":"https:\/\/www.science.org\/doi\/pdf\/10.1126\/sciadv.aef6076","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2026,9,2]],"date-time":"2026-09-02T18:00:33Z","timestamp":1788372033000},"score":1,"resource":{"primary":{"URL":"https:\/\/www.science.org\/doi\/10.1126\/sciadv.aef6076"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2026,9,4]]},"references-count":78,"journal-issue":{"issue":"36","published-print":{"date-parts":[[2026,9,4]]}},"alternative-id":["10.1126\/sciadv.aef6076"],"URL":"https:\/\/doi.org\/10.1126\/sciadv.aef6076","relation":{},"ISSN":["2375-2548"],"issn-type":[{"value":"2375-2548","type":"electronic"}],"subject":[],"published":{"date-parts":[[2026,9,4]]},"assertion":[{"value":"2026-01-27","order":0,"name":"received","label":"Received","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-07-24","order":2,"name":"accepted","label":"Accepted","group":{"name":"publication_history","label":"Publication History"}},{"value":"2026-09-02","order":3,"name":"published","label":"Published","group":{"name":"publication_history","label":"Publication History"}}],"article-number":"eaef6076"}}