An earthquake of 4.4 magnitude on the Richter scale struck Vijayapura district on Saturday morning, Karnataka State Natural Disaster Monitoring Centre (KSNDMC) said. The earthquake occurred at 06:22:14 AM, epicentred at "2.3 kms NW of Kannur GP, Vijayapura Taluk, Vijayapura district (Bordering Vijayapura and Maharashtra region)", it said in a statement.