M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — June 7, 1977

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — June 7, 1977. Epicenter 459 km N of Capitol Hill, depth 204 km, 22:31 Local (1977-06-07 12:31 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (459 km N, Northern Mariana Islands) — 19.325, 145.342

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