M 6.3 earthquake: Indian Ocean (South Africa) — December 4, 1920

M 6.3 earthquake: Indian Ocean (South Africa) — December 4, 1920. Epicenter 527 km S of Mossel Bay, depth 10 km, 07:51 Local (1920-12-04 05:51 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (527 km S, South Africa) — -38.853, 23.07

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