The epicenter was located about 168 km (104 miles) W of Pariaman (population 92 183) and 196 km (122 miles) W of Padang (population 840 352), West Sumatra, Indonesia.There are about 50 000 people living within 100 km (62 miles).16,000 people are estimated to have felt strong shaking, 38 000 moderate, and 5 959 000 light. There is no tsunami threat from this earthquake.