A magnitude 5.6 earthquake hits Newcastle, New South Wales, Australia, killing 13 people.

The 1989 Newcastle earthquake was an intraplate earthquake that occurred in Newcastle, New South Wales, on Thursday 28 December. The shock measured 5.6 on the Richter scale and was one of Australia's most serious natural disasters, killing 13 people and injuring more than 160. The damage bill has been estimated at A$4 billion, including an insured loss of about $1 billion.

Newcastle, also commonly referred to as Greater Newcastle, is a large metropolitan area and the second-most-populous such area of New South Wales, Australia. It includes the cities of Newcastle and Lake Macquarie and it is the hub of the Lower Hunter region, which includes most parts of the cities of Newcastle, Lake Macquarie, Maitland, Cessnock, and Port Stephens Council. Newcastle is also known by its colloquial nickname, Newy. A Newcastle resident can also be known as a Novocastrian.