M 5.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 3, 1973

M 5.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 3, 1973. Epicenter 521 km E of Grytviken, depth 33 km, 03:20 Local (1973-03-03 05:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (521 km E, South Georgia and the Islands) — -55.322, -28.582

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