M 4.6 earthquake: Indian Ocean (Madagascar) — April 28, 1987

M 4.6 earthquake: Indian Ocean (Madagascar) — April 28, 1987. Epicenter 1499 km S of Tôlanaro, depth 10 km, 19:20 Local (1987-04-28 16:20 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1499 km S, Madagascar) — -38.484, 47.906

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