By Abhi Setyaka Putra | Digital Fundraising Platform Officer
Severe floods and landslides struck Aceh, North Sumatra, and West Sumatra from late November through December 2025, triggered by extreme rainfall exceeding 300 mm and the atmospheric impact of Tropical Cyclone Senyar. The disaster caused widespread humanitarian consequences, including significant loss of life, mass displacement, and extensive damage to housing and public infrastructure. More than half a million people were forced to flee their homes as access to basic services, livelihoods, education, and healthcare was severely disrupted.
Based on official data as of 23 December 2025, the disaster affected 52 districts and cities, resulting in 1,112 fatalities, 176 missing persons, and approximately 7,000 injured individuals. A total of 502,570 people were displaced, while infrastructure damage included over 158,000 houses, 1,900 public facilities, 875 educational facilities, 200 health facilities, and 734 damaged bridges. These figures reflect the scale and complexity of the humanitarian emergency unfolding across Sumatra
Human Initiative responded rapidly by establishing six main response posts and sixteen auxiliary posts across the three provinces, deploying 151 staff and volunteers. The response focused on search and rescue operations, emergency needs assessments, logistics coordination, and the distribution of essential assistance including food, clean water, hygiene kits, shelter support, and emergency services. This response was carried out in close coordination with local governments, disaster management agencies, and 25 humanitarian partner organizations
Through these collective efforts, Human Initiative reached 26,499 rights-holders across Aceh, North Sumatra, and West Sumatra, ensuring affected families received timely humanitarian support. As emergency operations transition toward recovery, the organization is preparing a large-scale rehabilitation and reconstruction program focused on housing, water and sanitation, education, public facilities, health, and livelihoods. Continued multi-stakeholder collaboration remains essential to restore community resilience and rebuild safer, more sustainable living conditions in post-disaster Sumatra.
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