M 4.6 earthquake: Indian Ocean (Madagascar) — February 23, 1983

M 4.6 earthquake: Indian Ocean (Madagascar) — February 23, 1983. Epicenter 1450 km S of Tôlanaro, depth 10 km, 07:16 Local (1983-02-23 03:16 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1450 km S, Madagascar) — -37.169, 52.566

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