Diamantina Deep Diamantina Deep The Diamantina Deep is located in the Diamantina Trench southwest of Perth, Western Australia. The Diamantina Trench is in the eastern part of the larger Diamantina Fracture Zone, which stretches from the Ninety East Ridge to the Naturaliste Plateau, off the lower part of Southwest Australia. It is one of the deepest points (surpassed by the Sunda Trench) in the Indian Ocean at . It is located about west-southwest of Perth at . A survey in 1961 by the Australian oceanographic survey ship confirmed the bathymetry and conducted a scientific survey. The trench (and the Fracture Zone) was
Diamantina, Minas Gerais the following municipalities: Diamantina, Datas, Felício dos Santos, Gouveia, Presidente Kubitschek, São Gonçalo do Rio Preto, Senador Modestino Gonçalves, and Couto de Magalhães de Minas. The area of this region is 7,348 km² and in 2006 the population was 80,063 inhabitants. The population density (2000) was 11.2 inhab/km². Diamantina is located 292 kilometers almost directly north of the state capital, Belo Horizonte, in a mountainous area. The elevation of the municipal seat is 1,114 meters. The Jequitinhonha River, one of Brazil's most important rivers, flows to the east of the municipal seat. Diamantina is linked to the state capital by