M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 14, 1975

M 4.7 earthquake: North Pacific Ocean (Northern Mariana Islands) — March 14, 1975. Epicenter 362 km N of Capitol Hill, depth 106 km, 13:53 Local (1975-03-14 03:53 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (362 km N, Northern Mariana Islands) — 18.46, 146.028

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