M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 13, 1983

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 13, 1983. Epicenter 276 km NE of Capitol Hill, depth 48 km, 21:45 Local (1983-12-13 11:45 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (276 km NE, Northern Mariana Islands) — 17.476, 146.81

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