M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — October 24, 1981

M 4.8 earthquake: North Pacific Ocean (Northern Mariana Islands) — October 24, 1981. Epicenter 280 km N of Capitol Hill, depth 215 km, 15:39 Local (1981-10-24 05:39 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (280 km N, Northern Mariana Islands) — 17.732, 145.734

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