M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 12, 1988

M 4.9 earthquake: South Atlantic Ocean (South Georgia and the Islands) — March 12, 1988. Epicenter 555 km E of Grytviken, depth 33 km, 20:02 Local (1988-03-12 22:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (555 km E, South Georgia and the Islands) — -55.844, -28.23

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