Large Tsunamis in Australia - John Seach There is evidence of large tsunamis reaching the Australian coast in the past. Their presence is recorded by chevrons, which are similar to parabolic coastal dunes. These tsunamis are undated. Tsunamis in Western Australia Description Cape Arid National Park Length on land 6 km, height 60 m. Albany Affected 30 km coast, length on land 3 km, height 100 m. Irwin Inlet Length on land 5 km, height 150 m. Northcliffe Length on land 7 km, height 100 m. White Point Affected 30 km coast, length on land 2 km, height 30-40 m. Cape Leeuwin Length on land 4 km, height 100 m. Bunbury Length on land 1 km, height 20-30 m. Mandurah/Pinjarra Length on land 1 km, affected 30 km coast, height 40 m. North of Perth Length on land 5 km, affected 60 km coast, height 40 m. Beagle Island Length on land several km, height 30 m. Dongara Length on land 2 km, height 60 m. Geraldton Length on land 2 km, height 40 m. Edel, Tamala and Denham Length on land several km, height 80 m. Carnavon Length on land 3 km, height 28 m. Quobba Length on land several km, height 100 m. Ningaloo Length on land  several km, height 20 m.   Tsunamis in Northern Territory Description Roper River Affected 40 km of coast, length on land 3 km, height 33 m.   Tsunamis in Queensland Description Cape Melville Affected 10 km coastline, length on land 5 km.   Tsunamis in Victoria Description Cape Bridgewater Traveled 4 km., height 20 m. Tsunami in Australia www.volcanolive.com Copyright John Seach