M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 18, 1984

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — May 18, 1984. Epicenter 345 km N of Capitol Hill, depth 86 km, 00:04 Local (1984-05-17 14:04 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (345 km N, Northern Mariana Islands) — 18.25, 146.402

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