M 5.4 earthquake: South Pacific Ocean (Antarctica) — October 27, 1977

M 5.4 earthquake: South Pacific Ocean (Antarctica) — October 27, 1977. Epicenter 2434 km W of Peter I Island, depth 33 km, 03:31 Local (1977-10-27 12:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

South Pacific Ocean (2434 km W, Antarctica) — -55.305, -128.966

EarthquakeLive.org