M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 29, 1973

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 29, 1973. Epicenter 440 km N of Capitol Hill, depth 33 km, 09:52 Local (1973-12-28 23:52 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (440 km N, Northern Mariana Islands) — 18.986, 146.991

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