Jakarta: Indonesia has been rocked by a huge provisional 6.0 earthquake off the coast of Sumatra, the United States Geological Survey has confirmed on Wednesday.
The shallow quake struck 246 km (152 miles) southwest of Padang on Sumatra, the USGS said. There was no immediate warning from the Hawaii-based Pacific Tsunami Warning Center.
The quake was later downgraded to 5.8 by the USGS. Indonesian authorities have not received any reports of damage.
Earlier, Indonesia was rocked when a 6.1-magnitude earthquake struck off the southern coast of the island of Java, injuring eight school children and damaging more than 100 buildings including dozens in the capital Jakarta.