An quake of magnitude 6.5 struck west of Indonesia's island of Sumatra on Sunday, according to the United States Geological Survey (USGS) said.
He said officials were checking if there were any casualties or damage.
According to Mochammad Riyadi, an official at Indonesia's meteorology and geophysics agency told.
It has been reported that the quake could be felt in Singapore - some 400 miles away.
Singapore's Channel NewsAsia television station said it received calls from residents in Singapore, some 590km from Bengkulu, who also felt tremors.
Some residents also posted on twitter, wondering whether the tremors were a result of an natural disaster in the region.
Indonesia sits on the Pacific Ring of Fire where tectonic plates collide, causing frequent seismic and volcanic activity.
In December 2016, an quake struck Indonesia's western Aceh province killing more than 100 people, injuring many more and leaving tens of thousands homeless.