A 3,5-magnitude earthquake on the Richter Scale jolted southeast Bulgaria at 2:32 a.m. on Sunday, according to Seismology Institute of the Bulgarian Academy of Sciences. The epicenter of the earthquake was close to Bulgaria`s border with Turkey, some 320 km to the southeast of the capital Sofia. It was felt in the town of Malko Turnovo, Burgas District. There is no information about material damages or injured persons.