M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 3, 1975

M 4.7 earthquake: South Atlantic Ocean (South Georgia and the Islands) — January 3, 1975. Epicenter 483 km E of Grytviken, depth 33 km, 06:18 Local (1975-01-03 08:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (483 km E, South Georgia and the Islands) — -54.881, -29.074

EarthquakeLive.org