M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — July 20, 1976

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — July 20, 1976. Epicenter 424 km N of Capitol Hill, depth 148 km, 03:57 Local (1976-07-19 17:57 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (424 km N, Northern Mariana Islands) — 19.016, 145.477

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