India, Sept. 10 -- Landslides that struck Nagaland's Longleng and Mon districts on July 19 have revived fears that parts of the Dikhow basin could face prolonged ground instability.

Residents of Tamlu and nearby areas say cracked homes, damaged roads, vanished streams and altered watercourses have left them anxious about whether the land is still moving.

The disaster has drawn comparisons with Noklak and Tuensang, where landslides and land subsidence have expanded over years, though geologists say more investigation is needed before making direct links.

Experts say heavy rainfall was the most likely trigger, but road construction, slope cutting, drainage conditions, geology and other human activities need closer scientific scrutiny.

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