JAKARTA, Indonesia (AP) – A magnitude-6.7 earthquake rocked a large swath of Indonesia’s Sumatra Island today, shaking buildings and causing panic, witnesses and meteorological officials said. There were no immediate reports of injuries or damage.

The quake struck off the west coast of the island at 8:52 a.m. local time and was “strongly felt,” across west Sumatra and outlying islands, said Budi Waluyu, from the government’s geophysical and meteorological agency.

Callers to el-Shinta radio station from Medan, a large city on Sumatra, said tall buildings shook and some residents ran from their homes.

The U.S. Geological Survey said the quake had a magnitude of 6.7 and was centered 120 miles west of the Sumatra town of Sibolga, 860 miles northwest of Jakarta.

Earthquakes have struck the region regularly since a monster 9.1 magnitude earthquake on Dec. 26 that triggered a tsunami, killing more than 176,000 people in Indonesia and 10 other countries across the Indian Ocean.

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