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Arrest of the Mw 6.8 January 24, 2020 Elaziğ (Turkey) earthquake by shallow fault creep by Ziyadin Cakir; Uğur Doğan; Ahmet M. Akoğlu; Semih Ergintav; Seda Özarpacı; Alpay Özdemir; Tohid Nozadkhalil; Nurdan Çakir; Cengiz Zabcı; M. Hilmi Erkoç; Mehran Basmenji; Mehmet Köküm; Roger Bilham is a Earth and Planetary Sciences article available to read on EtoBox.

What is Arrest of the Mw 6.8 January 24, 2020 Elaziğ (Turkey) earthquake by shallow fault creep about?

It has long been conjectured that creeping sections of strike slip faults arrest or subdue earthquake rupture, partly because of their reduced slip potential and partly because of their velocity-strengthening frictional properties. However, no instrumentally recorded large earthquake (Mw ≥ 6.8) on any well instrumented continental strike-slip fault has thus far occurred that has clearly been arrested at a region of fault creep, rendering it difficult to identify experimentally the parameters that control rupture arrest. Nearfield GPS, InSAR and creepmeter data from the 2020 Elazığ (Turkey) earthquake reveal not only how rupture propagation of a large earthquake is hindered by shallow creep reducing the earthquake size, but also provide important quantitative insights into the late interseismic, coseismic and post seismic behavior of a creeping fault, which has important implications for evaluating hazard potential of a major earthquake on a creeping fault, such as has been forecast for the Hayward fault in California.

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Author

Ziyadin Cakir; Uğur Doğan; Ahmet M. Akoğlu; Semih Ergintav; Seda Özarpacı; Alpay Özdemir; Tohid Nozadkhalil; Nurdan Çakir; Cengiz Zabcı; M. Hilmi Erkoç; Mehran Basmenji; Mehmet Köküm; Roger Bilham

Publisher

Elsevier BV

Published

2023

Language

EN

Field

Earth and Planetary Sciences (Physical Sciences)