Red River Fault

The Red River Fault or Song Hong Fault (Vietnamese: Đới Đứt Gãy Sông Hồng) is a major fault in Yunnan, China and Vietnam which accommodates continental China's (Yangtze Plate) southward movement.[1] It is coupled with that of the Sagaing Fault in Burma, which accommodates the Indian Plate's northward movement, with the land (Indochina) in between faulted and twisted clockwise. It was responsible for the 1970 Tonghai earthquake.

Topographic map showing the Red River and fault
The Red River (Nansha Reservoir) seen from the slope of its deep valley, south of Potou Township, Jianshui County

It is named after the Red River which runs through the valley eroded along the fault trace.

The Red River Fault was a sinistral strike-slip shear zone until Miocene times when it became reactivated as a brittle dextral strike-slip fault.[2][3]

See also

References
  1. Earth Observatory of Singapore, NTU. "Myanmar earthquake of March 24, 2011 – Magnitude 6.8". Archived from the original on 2012-12-23. Retrieved 2012-11-07.
  2. Watkinson, I.; Elders, C.; Hall, R. (2008). "The kinematic history of the Khlong Marui and Ranong Faults, southern Thailand". Journal of Structural Geology. 30 (12): 1554–1571. doi:10.1016/j.jsg.2008.09.001.
  3. Trinh, P.T.; Liem, N.V.; Huong, N.V.; Vinh, H.Q.; Thorn, B.V.; Thao, B.T.; Tan, M.T.; Hiang, Nguyen (2012). "Late Quaternary tectonics and seismotectonics along the Red River fault zone, North Vietnam". Earth-Science Reviews. 114 (3–4): 224–235. doi:10.1016/j.earscirev.2012.06.008.


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