M 5.7 earthquake: Solomon Sea (Lae, Papua New Guinea) — April 21, 1977

M 5.7 earthquake: Solomon Sea (Lae, Papua New Guinea) — April 21, 1977. Epicenter 194 km NE of Lae, depth 177 km, 01:21 Local (1977-04-20 15:21 UTC). Shaking felt by ~499K people. Readings from every reporting agency, affected towns, aftershock sequence.

Solomon Sea (194 km NE of Lae, Papua New Guinea) — -5.623, 148.343

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