M 4.5 earthquake: Aegean Sea (Hios, Greece) — December 20, 1981

M 4.5 earthquake: Aegean Sea (Hios, Greece) — December 20, 1981. Epicenter 116 km NW of Hios, depth 13 km, 12:58 Local (1981-12-20 10:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Aegean Sea (116 km NW of Hios, Greece) — 38.972, 25.049

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