земетресение трус
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It occured early on Sunday morning
An earthquake with a magnitude of 3.7 on the Richter scale was registered in the region of Blagoevgrad on Sunday morning. 

The quake occurred at 7:46 a.m. with an epicentre 86 km from Sofia and was felt weakly in the municipalities of Simitli and Blagoevgrad.
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