M 8.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — June 27, 1929

M 8.1 earthquake: South Atlantic Ocean (South Georgia and the Islands) — June 27, 1929. Epicenter 474 km E of Grytviken, depth 15 km, 10:47 Local (1929-06-27 12:47 UTC). Shaking felt by ~99 people. Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (474 km E, South Georgia and the Islands) — -55.373, -29.345

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