The Banggai Island, an archipelago located at the far eastern end of Central Sulawesi Indonesia, was the worst affected by the earthquake. A succession of strong earthquake shook the eastern part of Indonesian on 14 and 15 May 2000. According to the United States Geological Survey, the strongest of the succession shocks occurred at 20.08 hours GMT on 14 May, or 4.08 hours on 15 May, and measured 6.2 on the Richter scale. Eighty percent of Banggai’s buildings were destroyed. Damage also occurred on Peleng. According to the U.S. Geology Survey: ‘Much of the damage east of Luwuk and on Peleng was caused by a local tsunami with estimated wave heights up to 6 meters.’