Viti Levu is the largest island in the nation, home to 70% of the population (about 600,000), and is the hub of the entire Fijian archipelago. It measures long and wide, and has an area of . Earthquakes and volcanic eruptions account for the somewhat rugged terrain of the island, which is divided into roughly equal halves by a north-south mountain range. The centre of the island is forested and includes the nation's highest peak Mount Tomanivi (otherwise Mount Victoria) rising to .