2026-01-29T19:04:43.0000Z40.8538928.3316714.22manualconfirmedKOERI2.3ML1Origin/20260129193049.211188.3855Magnitude/20260129193049.211237.3856KOERIMarmara Denizi - [22.11 km] Büyükçekmece (İstanbul)region name