Date | 20 June 1978 |
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Origin time | 20:03 UTC |
Magnitude | 6.2 Mw |
Depth | 16km |
Epicenter | 40°36′N 23°18′E / 40.6°N 23.3°ECoordinates: 40°36′N 23°18′E / 40.6°N 23.3°E |
Areas affected | Greece Yugoslavia Bulgaria |
Max. intensity | IX (Violent) |
Casualties | 50 killed |
The Great Thessaloniki earthquake (Greek: Μεγάλος Σεισμός της Θεσσαλονίκης) occurred on 20 June at 23:03 local time. The shock registered 6.2 on the moment magnitude scale, had a maximum Mercalli intensity of IX (Violent), and was felt throughout northern Greece, Yugoslavia and Bulgaria. It was the largest event in the area since the 1932 Ierissos earthquake.