M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — February 11, 1973

M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — February 11, 1973. Epicenter 643 km E of Grytviken, depth 33 km, 23:47 Local (1973-02-12 01:47 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (643 km E, South Georgia and the Islands) — -55.542, -26.674

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