An earthquake of magnitude 4.9 struck on Monday, 19 October, at 11:51 Bulgarian time, according to automatic analysis of seismic records. The epicentre was about 139 km north-west of Silistra. There are no reports of injuries or damage.
First data on the same quake, received on Monday, put the magnitude at 5 and the distance at about 173 km from Silistra.
Earlier report: Magnitude 5 earthquake recorded about 173 km north-west of Silistra
The quake's focus was about 128 km underground. The epicentre is at 45.12° north latitude and 26.22° east longitude.
On the Richter scale, the quake is moderate. Most people clearly feel an earthquake of magnitude 4 to 5, and it can cause minor damage, such as fallen objects and cracked plaster.
Of the three cities, Varna is closest to the epicentre, at 251 km. Sliven is 271 km away and Yambol 294 km.