JAKARTA, Aug 15, 2026 (BSS/AFP) - A 6.9-magnitude earthquake struck Indonesia's western Sumatra island late Saturday, the US Geological Survey said, the second tremor to hit the vast Southeast Asian nation in a day.

The epicentre was located at Pematangsiantar, about 126 kilometres (78 miles) southeast of the island's capital Medan. The quake stuck at a depth of 183 kilometres, and no tsunami warning has been issued.