An earthquake was registered this morning in Southwestern Bulgaria, according to the National Institute of Geophysics, Geodesy and Geography.
The quake has a magnitude of 2.3 on the Richter scale.
Its epicenter is 14.5 km northeast of Gotse Delchev and 123 km from Sofia.
The tremor was registered at 04:58.
The depth was 17.4 km. No damage reported.