An earthquake of 3.5 on the Richter scale was registered on November 14 at 5.20pm 12km from the southern Bulgarian town of Smolyan, according to the European Mediterranean Seismological Centre.
The quake, 55km south-south east of Plovdiv and 12km north-north east of Smolyan, was at a depth of two km.
There were no immediate reports of injuries or serious damage.
It followed an earlier one, measuring 2.6 on the Richter scale, at 5.10pm, the European Mediterranean Seismological Centre said.
(Photo: Miles Davidson/ sxc.hu)