M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 1, 1979

M 4.6 earthquake: North Pacific Ocean (Northern Mariana Islands) — August 1, 1979. Epicenter 359 km N of Capitol Hill, depth 48 km, 16:34 Local (1979-08-01 06:34 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (359 km N, Northern Mariana Islands) — 18.217, 146.978

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