A gas pipeline explodes near the city of Surabaya in Java, killing seven people.
- Reuters via ABC Australia
The eruption of Mount Kelud on the island of Java causes the closure of airports in three cities Surabaya, Yogyakarta and Solo as well as the reported death of two people.
Indonesian President Joko Widodo has decided to relocate the nation's capital from Jakarta, on the northwest coast of Java island. The new location and timing are not yet known. Jakarta, home to over 10 million people, is sinking at one of the fastest rates in the world; almost half of its area is below sea level.
An Indonesian family believed to be connected to the terrorist group Jamaah Ansharut Daulah attacks police headquarters in Surabaya. The attack kills all four perpetrators and injures the perpetrator's daughter, six civilians, and four police officers.
At least 13 people are killed and more than 40 others wounded after a series of suicide bombings at three churches in Surabaya, Indonesia.
Mount Merapi in Java, Indonesia, erupts. Authorities order evacuations and the closure of Adisucipto Airport in Yogyakarta.