M 4.5 earthquake: Southern Ocean (South Georgia and the Islands) — October 23, 1983

M 4.5 earthquake: Southern Ocean (South Georgia and the Islands) — October 23, 1983. Epicenter 961 km SE of Grytviken, depth 33 km, 01:43 Local (1983-10-23 03:43 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Southern Ocean (961 km SE, South Georgia and the Islands) — -60.478, -25.275

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