Several significant tsunami have hit Australia's north west coast with the largest, reportedly producing a six metre wave height.
Further north in the Onslow-Exmouth region in June 1994, tsunami waves travelled inland to a point four metres above sea level and washed 300 metres inland after appearing out of a calm sea. Both tsunami were generated by earthquakes in Indonesia.
In May 1960, a magnitude 9.5 earthquake in Chile generated the largest tsunami recorded along the east coast of Australia. The event generated tsunami waves of just under one metre at the Fort Denison tide gauge in Sydney Harbour. Slight to moderate damage was caused to boats in harbours at Lord Howe Island, Evans Head, Newcastle, Sydney and Eden.