M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 29, 1973

M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 29, 1973. Epicenter 407 km N of Capitol Hill, depth 78 km, 11:28 Local (1973-12-29 01:28 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (407 km N, Northern Mariana Islands) — 18.793, 146.52

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