NORTH Queensland has been rocked by a 5.4 magnitude earthquake, with reports from across the region of buildings "shuddering''.
The quake struck at 3.31pm, about 30km southeast of Townsville.
A preliminary report by the United States Geological Survey says the quake struck at a depth of 10km, s30km southeast of Townsville. Initail reports had the quake as measuring at a magnitude of 5.2, but this was later upgraded to 5.4.
The quake is one of the largest to occur in Queensland in many years.