M 5.1 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 31, 1984

M 5.1 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 31, 1984. Epicenter 300 km N of Capitol Hill, depth 33 km, 08:17 Local (1984-12-30 22:17 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (300 km N, Northern Mariana Islands) — 17.844, 146.35

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