M 4.6 earthquake: North Atlantic Ocean (Iceland) — September 4, 1975

M 4.6 earthquake: North Atlantic Ocean (Iceland) — September 4, 1975. Epicenter 608 km SW of Keflavík, depth 33 km, 11:02 Local (1975-09-04 13:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Atlantic Ocean (608 km SW, Iceland) — 59.737, -29.809

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