M 4.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — November 28, 1973

M 4.8 earthquake: South Atlantic Ocean (South Georgia and the Islands) — November 28, 1973. Epicenter 538 km E of Grytviken, depth 33 km, 19:42 Local (1973-11-28 21:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (538 km E, South Georgia and the Islands) — -55.75, -28.464

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