Abstract
Abstract The article chronicles the landslide dam burst event from the Eastern Ghats region of India during the Titli cyclone on 12th October 2018. The event has been marked as one of the most destructive event in the region due to the abrupt increase in rainfall intensity and duration. The highly weathered profile of the Eastern Ghats metamorphosed terrain favours such fatal incidents, mostly during the monsoon and cyclone season of the Indian subcontinent. Geological and geotechnical investigation of the region followed by numerical modeling has been done to study the cause and mechanism of the incident. From the initiation of landslide to the dam formation and afterwards the bursting event, the whole event has been simulated in the Optum G2-based finite element model. The steep laterite cliff of Eastern Ghats mountains is identified as the primary concern for the stability balance in the region. Real-time monitoring of natural dams is essential to minimize the amount of risk in the region from further occurrence of such landslide-related terminal hazards.
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