M 5.0 earthquake: Indian Ocean (South Africa) — July 31, 1983

M 5.0 earthquake: Indian Ocean (South Africa) — July 31, 1983. Epicenter 1669 km SE of Port St. Johns, depth 10 km, 13:27 Local (1983-07-31 10:27 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (1669 km SE, South Africa) — -40.724, 44.378

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