Authorities have detained the owner and constructor of a building that collapsed during a magnitude 6.1 earthquake in northwestern Turkey.

A magnitude 6.1 earthquake struck Turkey's northwestern Balikesir Province on Sunday, causing approximately a dozen buildings to collapse and trapping at least two people in debris, according to the United States Geological Survey's ( USGS) earthquake map.

The magnitude 6.1 quake left one person dead and caused 16 buildings to collapse in the north-west Balikesir province.