Marks Point-- NSW Australia Lat:-33.055 Lon:151.64.
Swansea--NSW Australia Lat:-33.09 Lon:151.63
Coonabarabran NSW Australia Lat:-31.27333 Lon:149.06433
Traces recorded using a collection of seismometers constructed and operated by amateur seismologists located at Marks Point, Swansea & Coonabarabran, Some are ‘classical’ instruments others are experimental