M 5.3 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 24, 1977

M 5.3 earthquake: North Pacific Ocean (Northern Mariana Islands) — December 24, 1977. Epicenter 331 km N of Capitol Hill, depth 604 km, 08:02 Local (1977-12-23 22:02 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (331 km N, Northern Mariana Islands) — 18.183, 145.572

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