M 5.4 earthquake: Indian Ocean (Madagascar) — April 21, 1984

M 5.4 earthquake: Indian Ocean (Madagascar) — April 21, 1984. Epicenter 1345 km SE of Tôlanaro, depth 10 km, 17:57 Local (1984-04-21 13:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1345 km SE, Madagascar) — -33.926, 56.418

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