They had fled across the border to Bangladesh amid heavy fighting between the Myanmar military and rebel insurgents in Rakhine
The tremor measuring 5.2 on the Richter Scale was felt around 10:08am, said Sayeed Ahmad Chowdhury, chief meteorologist of Sylhet Met office.
The epicentre of the quake was in Mawlaik, northwestern state of Myanmar, 441 kilometres east from Dhaka.
No casualties have been reported.