M 4.8 Earthquake: South Atlantic Ocean (South Georgia and the Islands) — April 22, 1974
M 4.8 Earthquake: South Atlantic Ocean (South Georgia and the Islands) — April 22, 1974. Epicenter 813 km SE of Grytviken, depth 33 km, 13:57 Local (1974-04-22 15:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.
South Atlantic Ocean (813 km SE, South Georgia and the Islands) — -57.875, -25.08
