January

• January 1 – Adam Air Flight 574 disappears over Makassar Strait, Indonesia.
• January 1 – A speed boat capsized in the coastal area of Java Sea, Central Kalimantan. Fifteen people were killed in this accident.
• January 1 – Whirlwind and landslides hit Lampung.
• January 2 – Floods inundated 107 houses in Sambas, West Kalimantan.
• January 2 – Strong whirlwind hit Bali and Nusa Tenggara, One person was killed, and one temple and three houses were damaged.
• January 3 – Four-meter high ocean waves destroyed 65 houses in the southern coast of Huangobotu village, Gorontalo.
• January 7 – New mudflow eruption was detected in Kedung Cangkring, Jabon, Sidoarjo, approx. 1.5 km from the first eruption.
• January 9 – Bakri, a local fisherman, found a piece of the tail of the Adam Air's missing Boeing 737 in Makassar Strait, 8 km south of Pare Pare, and about 300 m from the shore. The debris is right tail horizontal stabilizer, Tag Number 65C25746-76.
• January 11 – Following the discovery of the right tail horizontal stabilizer, a life vest and some parts of airline seats had also been found in Pare pare.
• January 12 – Landslide hit the island of Sangihe, North Sulawesi and killed at least 16 people.
• January 13 – President Susilo Bambang Yudhoyono attend the ASEAN Summit in the Philippines.
• January 16 – Indonesian passenger train derailment killed at least five and injured more than a hundred people. The train derailed when passing a bridge in Banyumas, Central Java about 11 km west of Purwokerto, Central Java.
• January 21 – A earthquake measuring 7.5 M_w  struck near Sulawesi. The intensity VI (Strong) shock left several people dead and some buildings damaged.^[1]