The magnitude 6.1 quake was centered in the town of Sindirgi in Balikesir province On The Ground newsletter: Get a weekly dispatch from our international correspondents Get a weekly dispatch from our international correspondents Get a weekly international news dispatch Email * SIGN UP I would like to be emailed about offers, events and updates from The Independent. Read our Privacy notice A powerful earthquake struck western Turkey on Monday, causing at least three buildings, already damaged by