M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 25, 1973

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — September 25, 1973. Epicenter 403 km N of Capitol Hill, depth 201 km, 07:58 Local (1973-09-24 21:58 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (403 km N, Northern Mariana Islands) — 18.83, 145.592

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