M 4.6 earthquake: North Pacific Ocean (USA) — April 1, 1977

M 4.6 earthquake: North Pacific Ocean (USA) — April 1, 1977. Epicenter 255 km SE of False Pass, depth 33 km, 14:36 Local (1977-04-02 01:36 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (255 km SE, USA) — 52.817, -161.605

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