M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — November 21, 1976

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — November 21, 1976. Epicenter 383 km N of Capitol Hill, depth 125 km, 22:42 Local (1976-11-21 12:42 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (383 km N, Northern Mariana Islands) — 18.647, 145.973

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