M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — October 17, 1979

M 4.9 earthquake: North Pacific Ocean (Northern Mariana Islands) — October 17, 1979. Epicenter 378 km N of Capitol Hill, depth 601 km, 15:57 Local (1979-10-17 05:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (378 km N, Northern Mariana Islands) — 18.598, 145.439

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