M 5.5 earthquake: Solomon Sea (Arawa, Papua New Guinea) — July 21, 1975

M 5.5 earthquake: Solomon Sea (Arawa, Papua New Guinea) — July 21, 1975. Epicenter 158 km SW of Arawa, depth 33 km, 01:24 Local (1975-07-20 15:24 UTC). Shaking felt by ~250K people. Readings from every reporting agency, affected towns, aftershock sequence.

Solomon Sea (158 km SW of Arawa, Papua New Guinea) — -7.073, 154.412

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