M 5.1 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 3, 1975

M 5.1 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 3, 1975. Epicenter 318 km N of Capitol Hill, depth 137 km, 06:18 Local (1975-12-02 20:18 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (318 km N, Northern Mariana Islands) — 18.073, 145.795

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