According to the National Center for Seismology, the epicenter was 63 km east of Thiruvananthapuram in Kerala, with a depth of five km. The tremors were felt at 3.37 pm.
Tirunelveli Collector V Vishnu, in a swift response, allayed fears of the people and said that he spoke to the Kudankulam Nuclear Power Plant (KKNPP) site director and confirmed that the plant was safe.
According to S Selvam, Assistant Professor, Department of Geology, V O Chidambaram College, Thoothukudi, as per the seismic zone intensity map, Kudankulam is a safe and low risk zone. Kudankulam comes under zone -1 of the seismograph with an intensity level of six, Selvam added.