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Updated: May 31, 2025

Kinematic History of a Salient-recess Junction Explored through a Combined Approach of Field Data and Analog Sandbox Modeling
Published on: August 5, 2016
Rupture phases reveal geometry-related rupture propagation in a natural earthquake
Suli Yao1, Hongfeng Yang1,2
1Department of Earth and Environmental Sciences, The Chinese University of Hong Kong, Hong Kong, China.
Abstract:
Understanding and deciphering wiggles from seismograms has been a long endeavor to understand the internal structure of the Earth and to explore earthquake source properties. Here, we make an attempt to decipher the continuous rupture phases as large near-fault velocity pulses along the East Anatolian Fault in the 2023 moment magnitude (Mw) 7.8 Kahramanmaraş, Türkiye, earthquake. Through data analysis and dynamic rupture simulations, we robustly identify the transient supershear rupture on a segment with flat fault trace and rupture deceleration at fault bends. Our study highlights the complexity and superior application of near-fault data for understanding earthquake dynamics.
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