The Disaster and Emergency Management Agency reported the quake was centred in Sindirgi district of Balikesir province, Anadolu Agency reported.
The tremor occurred at a depth of 11 kilometers (6.8 miles).
Interior Minister Ali Yerlikaya confirmed an 81-year-old citizen died after being rescued from a collapsed building.
Twenty-nine others were injured but none were in life-threatening conditions.
Initial assessments revealed 16 buildings collapsed across 68 neighborhoods due to the earthquake and aftershocks.
Turkish President Recep Tayyip Erdogan expressed condolences and pledged close monitoring of the situation.