M 4.6 earthquake: Southern Ocean (South Georgia and the Islands) — August 23, 1999

M 4.6 earthquake: Southern Ocean (South Georgia and the Islands) — August 23, 1999. Epicenter 915 km SE of Grytviken, depth 33 km, 21:44 Local (1999-08-23 23:44 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Southern Ocean (915 km SE, South Georgia and the Islands) — -60.715, -26.921

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