BALI, Indonesia (AP) — Warnings that a volcano on the Indonesian tourist island of Bali will erupt have sparked an exodus of more than 75,000 people that is likely to continue to swell, the country's disaster agency said Tuesday.

Authorities have ordered the evacuation of villagers living within a high danger zone that in places extends 12 kilometers (7.5 miles) from Mount Agung's crater. But people further away are also leaving, said National Disaster Mitigation Agency spokesman Sutopo Purwo Nugroho.

The region is being rattled daily by hundreds of tremors from the mountain, which volcanologi...