M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 2, 1984

M 4.5 earthquake: North Pacific Ocean (Northern Mariana Islands) — April 2, 1984. Epicenter 421 km N of Capitol Hill, depth 238 km, 00:37 Local (1984-04-01 14:37 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (421 km N, Northern Mariana Islands) — 18.988, 145.456

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