M 5.1 Earthquake: South Atlantic Ocean (Antarctica) — April 4, 1977

M 5.1 Earthquake: South Atlantic Ocean (Antarctica) — April 4, 1977. Epicenter 1433 km N of Neumayer Station III, depth 33 km, 03:58 Local (1977-04-04 04:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Atlantic Ocean (1433 km N, Antarctica) — -58.053, -10.502

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