M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 29, 1973

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 29, 1973. Epicenter 430 km NE of Capitol Hill, depth 33 km, 12:29 Local (1973-12-29 02:29 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (430 km NE, Northern Mariana Islands) — 18.676, 147.555

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