M 4.5 earthquake: Indian Ocean (Antarctica) — April 20, 1998

M 4.5 earthquake: Indian Ocean (Antarctica) — April 20, 1998. Epicenter 2026 km NW of Showa Station, depth 10 km, 08:59 Local (1998-04-20 07:59 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (2026 km NW, Antarctica) — -53.03, 21.03

EarthquakeLive.org