M 4.6 earthquake: Solomon Sea (Alotau, Papua New Guinea) — September 13, 1973

M 4.6 earthquake: Solomon Sea (Alotau, Papua New Guinea) — September 13, 1973. Epicenter 166 km E of Alotau, depth 13 km, 17:17 Local (1973-09-13 07:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

Solomon Sea (166 km E of Alotau, Papua New Guinea) — -9.833, 151.903

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