The loud sound heard in several parts of Bengaluru on Friday at noon was not due to vibrations caused by an earthquake or tremor, Karnataka State Natural Disaster Monitoring Cell said. Reports of sound associated with mild vibrations by the local residents was received from Hemmigepura, Kengeri, Gnanabharathi, Rajarajeswari Nagar and Kaggalipura, Bengaluru today, dated