Event characteristics This information has been confirmed by a seismologist.
BULGARIA ORID : 276835
23/05/12 11 Arrivals 4 Iterations RMS : 0.53 Type :eq
Origin time: 21:59:13.75 ± 0.13
Latitude : 42.60 ± 1.4 1/2 Major Axis : 3.6 km
Longitude : 23.05 ± 1.7 1/2 Minor Axis : 3.1 km
Depth: 10. (Imposed) Azimuth mj Axis : 10.6 deg
ML : 3.77±0.16 of 2
Location in relation to nearby cities 21 km WSW of SOFIA (BULGARIA, Capitale) (1142000 residents)
119 km SE of NIS (SERBIA) (162000 residents)
144 km SW of PLEVEN (BULGARIA) (139000 residents)
146 km ENE of SKOPJE (MACEDONIA, Capitale) (409000 residents)
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