M 5.1 earthquake: North Pacific Ocean (Northern Mariana Islands) — November 4, 1977

M 5.1 earthquake: North Pacific Ocean (Northern Mariana Islands) — November 4, 1977. Epicenter 417 km N of Capitol Hill, depth 253 km, 17:35 Local (1977-11-04 07:35 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (417 km N, Northern Mariana Islands) — 18.936, 145.272

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