It is approximately 25,760 km
on the coast line of Australia
The beach
The Indian Ocean borders the western coastline of Australia.
The distance between the northeast coast of Australia and the nearest fault line is 30 kilometers. This fault line is west of Bundaberg where an earthquake of a 5.4 magnitude hit in 1935.
about 8 hours
The Indian Ocean I believe.
In many places all around its coast line
2 in.
13,676km
Argentina's coast line is 5000 or 8000 km long depending on how it's measured.
There is no huge coral formation on the north coast of Australia. The Great Barrier Reef is a 2300 km long coral reef off the northeastern coast of Australia.
The Length of the Australian Coast line is 34,218 km.