M 4.6 earthquake: North Atlantic Ocean (Iceland) — December 18, 1982

M 4.6 earthquake: North Atlantic Ocean (Iceland) — December 18, 1982. Epicenter 688 km SW of Keflavík, depth 10 km, 19:50 Local (1982-12-18 21:50 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (688 km SW, Iceland) — 59.192, -30.731

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