M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 22, 1982

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 22, 1982. Epicenter 420 km N of Capitol Hill, depth 612 km, 22:34 Local (1982-04-22 12:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (420 km N, Northern Mariana Islands) — 18.947, 145.165

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