Quake-prone Istanbul not at heightened risk — expert

"I'd like to say it, but sadly, it's a very big city with too many poorly constructed buildings," said Kalafat, who has denounced using low-quality cement and building on "soft soils." 

Professor Dogan Kalafat, director of Kandilli Observatory’s Regional Earthquake-Tsunami Monitoring Centre speaks during an interview in Istanbul, Turkey on Feb. 23, 2023. (AFP)