M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 24, 1977

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 24, 1977. Epicenter 299 km NE of Capitol Hill, depth 61 km, 22:35 Local (1977-03-24 12:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (299 km NE, Northern Mariana Islands) — 17.467, 147.278

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