M 5.5 earthquake: Southern Ocean (Antarctica) — April 18, 1998

M 5.5 earthquake: Southern Ocean (Antarctica) — April 18, 1998. Epicenter 514 km NE of Dumont d'Urville Station, depth 10 km, 20:04 Local (1998-04-18 10:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Southern Ocean (514 km NE, Antarctica) — -63.47, 147.673

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