2025-08-16T23:09:42.0000Z40.8361128.377226.8manualconfirmedKOERI2.3ML1Origin/20250817050557.701611.265704Magnitude/20250817050557.701664.265705KOERIMarmara Denizi - [21.78 km] Büyükçekmece (İstanbul)region name