M 4.9 earthquake: Southern Ocean (South Georgia and the Islands) — April 9, 1978

M 4.9 earthquake: Southern Ocean (South Georgia and the Islands) — April 9, 1978. Epicenter 884 km SE of Grytviken, depth 33 km, 04:30 Local (1978-04-09 06:30 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Southern Ocean (884 km SE, South Georgia and the Islands) — -60.135, -26.539

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