M 4.5 earthquake: Aegean Sea (Polygyros, Greece) — December 18, 1974

M 4.5 earthquake: Aegean Sea (Polygyros, Greece) — December 18, 1974. Epicenter 74 km SE of Polygyros, depth 38 km, 23:30 Local (1974-12-18 21:30 UTC). Shaking felt by ~268K people. Readings from every reporting agency, affected towns, aftershock sequence.

Aegean Sea (74 km SE of Polygyros, Greece) — 39.87, 24.018

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