M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 19, 1976

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 19, 1976. Epicenter 403 km N of Capitol Hill, depth 72 km, 10:34 Local (1976-04-19 00:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (403 km N, Northern Mariana Islands) — 18.748, 146.576

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