This Day in History: 1968-10-14
The Meckering earthquake caused a series of six concentric slump scars on the 11th green of the Bolgart Golf Course.
Source:
F.R. Gordon and J.D. Lewis. The Meckering and Calingiri earthquakes October 1968 and March 1970. Geological Survey of Western Australia. Bulletin 126, 1980, p. 136.