M 5.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — June 17, 1975

M 5.5 earthquake: South Atlantic Ocean (South Georgia and the Islands) — June 17, 1975. Epicenter 753 km SE of Grytviken, depth 33 km, 07:26 Local (1975-06-17 09:26 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (753 km SE, South Georgia and the Islands) — -56.765, -25.367

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