M 5.1 earthquake: Indian Ocean (Australia) — August 21, 1983

M 5.1 earthquake: Indian Ocean (Australia) — August 21, 1983. Epicenter 2181 km SW of Busselton, depth 10 km, 17:38 Local (1983-08-21 11:38 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Indian Ocean (2181 km SW, Australia) — -44.414, 94.089

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