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
Earthquakes
1953 Suva earthquake
Viti Levu