An earthquake of magnitude 6 struck in the Nias region in western Indonesia, the European-Mediterranean Seismological Centre (EMSC) said on Tuesday.
EMSC said the quake was at a depth of 10km, after reporting a depth of 2km earlier with 5.9 magnitude.
The earthquake was 325km southwest of the city of Padangsidempuan in North Sumatra, EMSC said.