The fresh earthquake struck at 6.06 pm and its epicentre was located at latitude 26.7 degree north, longitude 88.1 degree east on the Nepal-India border area, according to Gopinath Saha, the head of the Meteorological Department of Sikkim.
The fresh tremor also hit North Dinajpur, South Dinajpur and Murshidabad districts.
Three persons were killed and 69 others were injured in Saturday's 7.9 magnitude temblor which hit many districts of West Bengal.
Yesterday also tremors were felt twice in Jalpaiguri, Darjeeling and in different parts of state at noon and at night, triggering panic among people who ran out of homes and gathered on the streets.