M 6.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — July 21, 1933

M 6.6 earthquake: South Atlantic Ocean (South Georgia and the Islands) — July 21, 1933. Epicenter 429 km SE of Grytviken, depth 35 km, 18:06 Local (1933-07-21 20:06 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (429 km SE, South Georgia and the Islands) — -55.634, -30.211

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