M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — November 20, 1987

M 5.4 earthquake: South Atlantic Ocean (South Georgia and the Islands) — November 20, 1987. Epicenter 559 km E of Grytviken, depth 30 km, 19:19 Local (1987-11-20 21:19 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (559 km E, South Georgia and the Islands) — -55.489, -28.018

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