M 4.7 Earthquake: North Pacific Ocean (Northern Mariana Islands) — July 20, 1985

M 4.7 Earthquake: North Pacific Ocean (Northern Mariana Islands) — July 20, 1985. Epicenter 516 km N of Capitol Hill, depth 33 km, 21:01 Local (1985-07-20 11:01 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (516 km N, Northern Mariana Islands) — 19.746, 146.767

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