Overview
- The COEN bulletin 0188-2026 cites a 5.7 m reading at the Paucartambo station, warning of likely overflow, flooding of low-lying areas, bank erosion and damage to nearby infrastructure.
- Populated areas at potential risk include Paucartambo, Challabamba and Chacllabamba, according to official and local reports.
- Challabamba’s Civil Defense office is conducting technical inspections across the Mapacho basin and urges residents and transport operators to adopt precautionary measures.
- The municipality warns of a high probability of new rockfalls that could fully block roads, advising people to avoid affected sectors.
- In Calca, San Salvador reports a marked rise in the Vilcanota River and rockfalls at Morro Blanco on the Huambutío–Pisac route, while in Amazonas landslides and huaicos are compromising stretches of the Chachapoyas–Leimebamba road near Yerbabuena.