M 5.7 earthquake: Indian Ocean (Madagascar) — December 22, 1977

M 5.7 earthquake: Indian Ocean (Madagascar) — December 22, 1977. Epicenter 1316 km SE of Tôlanaro, depth 33 km, 17:29 Local (1977-12-22 13:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1316 km SE, Madagascar) — -34.419, 55.297

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