May 22: A magnitude 5.6 earthquake struck 24 km west of Bulgaria's capital Sofia, at a depth of 9.4 km.[1] A citizen died from heart attack, several buildings were damaged.
July 18: An explosion has killed at least seven people on a bus carrying Israeli tourists in the eastern Bulgarian city of Burgas.[2] More than 20 people were also injured when the bus exploded at Burgas airport, by the Black Sea.[3]