A shakemap of a 6.5 magnitude earthquake near Andekantor, Sumba Region, Indonesia on Feb 12, 2016.PHOTO: EPA
The Indonesian disaster mitigation agency said there were no immediate reports of damage or casualties.
Agency spokesman Sutopo Purwo Nugroho said he had not been able to contact anyone from the affected area since all communication with West Sumba Regency through satellite phone, mobile phone and radio had been cut off.
