M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 1, 1980

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 1, 1980. Epicenter 376 km N of Capitol Hill, depth 200 km, 23:54 Local (1980-12-01 13:54 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (376 km N, Northern Mariana Islands) — 18.585, 145.54

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