Report No. : GEO Report No. 341

Report Title : Review of Landslides in 2016 (2018), 40p.

Author : R.C.T. Wai, R.W.H. Lee & R.H.C. Law


This report presents the findings of a diagnostic review of the landslides in 2016 that were reported to the Government. The review forms part of the GEO's systematic landslide investigation programme, which is an integral component of the Government's slope safety system. The aims of this report are to review the performance of the Government's slope safety system and identify areas for improvement, as well as further enhancing the slope engineering practice in Hong Kong.

Altogether, 226 genuine landslides in 2016 were reported to the Government. There were 21 major landslides (viz. failure volume of 50 m3 or more). There were also thirteen minor landslides (viz. failure volume of less than 50 m3) occurring on engineered man-made slopes. The corresponding annual failure rate of engineered slopes is about 0.046% on a slope number basis (i.e. number of landslides relative to the total number of engineered slopes).

Overall, 99.95% of the engineered man-made slopes performed satisfactorily without occurrence of landslides in 2016.

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