The January 7, 2025, Dinggye Earthquake  on the Southern Tibetan Plateau: Extension  in the Continental Collision Zone

Mikhailov, V.O.; Konvisar, A.M.; Timoshkina, E.P.; Smirnov, V.B.; Khairetdinov, S.A.

Авторы: Mikhailov V.O., Konvisar A.M., Timoshkina E.P., Smirnov V.B., Khairetdinov S.A.
Журнал: Doklady Earth Sciences
Том: 522
Год издания: 2025
Издательство: Maik Nauka/Interperiodica Publishing
Местоположение издательства: Russian Federation
Номер статьи: 10
DOI: 10.1134/S1028334X25605966
Аннотация: Radar images from the Sentinel-1A satellite have been used to determine the displacement field in the focal area of the January 7, 2025, earthquake in the southern part of the Tibetan Plateau. A seismic rupture surface model has been constructed, revealing that the earthquake occurred along one of the branches of the rift zone, the Dinggye–Xainza Rift (DXR), on a fault with a strike of 187° and a dip of 55° towards the west. The maximum displacement is up to 5.1 m, with an average of 3.5 m. The rift zone is located within the sublatitudinal extension zone, north of the Main Himalayan Thrust. Modeling of the January 7, 2025, event is of great interest as it allows for a detailed examination of the focal zone's position, its relationship with regional structures, and the comparison of instrumental and geological estimates of fault displacement rates. In particular, the findings suggest that geological estimates of extension rates on the faults, as well as the seismic potential of the southern Tibet rift zones, may be underestimated.
Добавил в систему: Конвисар Алексей Максимович

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The January 7, 2025, Dinggye Earthquake on the Southern Tibetan Plateau: Extension in the Continental Collision Zoneстатья

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