Indonesia: IHCP Situation Report #10 on Floods, Flash Floods, and Landslides in Aceh, North Sumatra, and West Sumatra provinces (23 January 2026)

This report was compiled and published by the Indonesian Humanitarian Coordination Platform (IHCP). The next report will be issued on or around January 30, 2026.

Highlights

• As of January 23, 2026, according to https://gis.bnpb.go.id/bansorsumatera2025/, the National Disaster Management Agency (BNPB) reported that the number of displaced persons (IDPs) had decreased to 113,900. • The death toll has reached 1,200, with 143 people missing in the three provinces.

• The largest number of displaced persons is in Aceh Province (91,703 IDPs). In North Sumatra, 11,346 IDPs, and in West Sumatra, 10,854 IDPs.

• A total of 175,050 houses have been damaged, with 53,412 houses severely damaged, 76,553 lightly damaged, and 45,085 moderately damaged. The number of severely damaged houses in Aceh reached 32,084. Meanwhile, 6,074 houses were severely damaged in North Sumatra and 4,742 in West Sumatra.

• The Special Region of Aceh Province has extended its State of Emergency from January 21, 2026, to February 3, 2026.

• As of January 21, 37 districts/cities have declared a transition from emergency to recovery (12 in Aceh, 14 in North Sumatra, and 11 in West Sumatra), and 6 regions in Aceh have extended their emergency response status.

Situation Report

• As of January 23, the National Disaster Management Agency (BNPB) reported that the number of displaced persons had decreased to 113,900. The death toll had reached 1,200, with 143 people missing in the three provinces. The largest number of displaced persons was in Aceh Province, with 91,703. In North Sumatra, 11,346 people were displaced, and in West Sumatra, 10,854.

• In Aceh Province, North Aceh Regency had the largest number of displaced persons (33,261). Gayo Lues followed with 18,944, and Pidie Jaya with 14,794. In North Sumatra, Central Tapanuli Regency had 5,112 displaced persons, Langkat had 2,312, and North Tapanuli had 1,197. In West Sumatra, 10,854 people were displaced. The largest numbers were in Agam Regency (4,311), Tanah Datar (1,637), and Padang City (1,402).

• The BNPB dashboard reports 175,050 houses damaged: 53,412 severely, 45,085 moderately, and 76,553 lightly. Aceh saw 32,084 houses severely damaged, North Sumatra 6,074, and West Sumatra 4,742.

• Aceh Province has extended its State of Emergency from January 21, 2026, to February 3, 2026. As of January 21, 37 districts or cities have declared a transition from Emergency to Recovery status. This includes 12 in Aceh, 14 in North Sumatra, and 11 in West Sumatra. In Aceh, six districts or cities are still extending their emergency response status.

• As of January 15, 96% (4,383 of 4,549) of schools were operational. Of these schools, 122 operated in tents, 31 in temporary shelters, and 166 were still being cleaned.

• In Aceh Province, as of January 19, 2026, the number of disease cases increased for both acute respiratory infections (ARI) (18,979 cases) and skin infections (14,581 cases), which were the most commonly reported diseases. The continued increase in these two diseases underscores the importance of addressing risk factors, including exposure to contaminated water, poor environmental sanitation, overcrowding, and humidity in evacuation centers. Additionally, diarrhea (3,001 cases), influenza-like illness (ILI) (1,895 cases), and suspected typhoid fever (319 cases) were reported. Meanwhile, there was no increase in suspected measles (34 cases), suspected leptospirosis (1 case), or suspected dengue (13 cases).

• As of January 14, internet and telecommunications services provided by the Telkom Group in the provinces of North Sumatra and West Sumatra were operating at 100% normal. Meanwhile, in Aceh, 1,875 of Telkomsel's 1,964 base transceiver stations were online, or 95.4% normal (89 were still offline), and 132,200 of Indihome's 145,384 customers were connected to the internet, or 90.9% normal (13,148 were not yet connected).

• As of January 14, electricity in West Sumatra was 100% normal. In North Sumatra, it was 99.97% normal, but two villages in North Tapanuli Regency still lacked power. In Aceh, the power supply reached 98.8%, or 6,425 of 6,500 villages. 75 villages in eight districts were still without power. This included: 39 in Central Aceh; 16 in Bener Meriah; 8 in Gayo Luwes; 6 in Aceh Tamiang; 3 in East Aceh; and one each in Bireun, North Aceh, and West Aceh.

• As of January 14, fuel and LPG distribution in West Sumatra and North Sumatra had returned to 100% of normal levels. In Aceh, 151 of 156 gas stations were operational, or 97% were operating normally. LPG supplies were now 100% normal. Three integrated fuel terminals—Lhokseumawe (Aceh), Sibolga (North Sumatra), and Teluk Betung (West Sumatra)—faced access constraints for fuel distribution due to disrupted roads.