A loess landslide occurred in southwestern China on 21 September 2016. The field investigation performed 2 months after this event revealed that this slope failure was a partial reactivation of a landslide initiated in 1995, with a first-time failure in 1975. This landslide has been triggered three times, each having a distinct mode. This study suggests that the high groundwater table was a critical factor in this landslide occurrence.

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