M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — June 4, 1980

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — June 4, 1980. Epicenter 402 km N of Capitol Hill, depth 171 km, 15:40 Local (1980-06-04 05:40 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (402 km N, Northern Mariana Islands) — 18.827, 145.757

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